The Stonehenge monument in England is seen, early Monday ,June 21, 2010. Thousands of New Agers and neo-pagans danced and whooped in delight Monday as a bright early morning sun rose above the ancient stone circle Stonehenge, marking the summer solstice. About 20,000 people crowded the prehistoric site on Salisbury Plain, southern England, to see the sunrise at 4:52 A.M. (1152EST), following an annual all-night party. (AP Photo/Lefteris Pitarakis)

People raise their hands meditating during the summer solstice shortly after 04.52 am at the Stonehenge monument, England, Monday, June 21, 2010. Thousands of New Agers and neo-pagans danced and whooped in delight Monday as a bright early morning sun rose above the ancient stone circle Stonehenge, marking the summer solstice. About 20,000 people crowded the prehistoric site on Salisbury Plain, southern England, to see the sunrise at 4:52 A.M. (1152EST), following an annual all-night party. (AP Photo/Lefteris Pitarakis)

People watch the sun rising as they celebrate the summer solstice shortly after 04.52 am at the Stonehenge monument, England, Monday, June 21, 2010. Thousands of New Agers and neo-pagans danced and whooped in delight Monday as a bright early morning sun rose above the ancient stone circle Stonehenge, marking the summer solstice. About 20,000 people crowded the prehistoric site on Salisbury Plain, southern England, to see the sunrise at 4:52 A.M. (1152EST), following an annual all-night party. (AP Photo/Lefteris Pitarakis)

A Druids, name not given, walks past the Stonehenge monument, England, as he celebrates the summer solstice, Monday, June 21, 2010. Thousands of New Agers and neo-pagans danced and whooped in delight Monday as a bright early morning sun rose above the ancient stone circle Stonehenge, marking the summer solstice. About 20,000 people crowded the prehistoric site on Salisbury Plain, southern England, to see the sunrise at 4:52 A.M. (1152EST), following an annual all-night party. (AP Photo/Lefteris Pitarakis)

A youth sips a drink as he celebrates the summer solstice at the Stonehenge monument, England, Monday, June 21, 2010. Thousands of New Agers and neo-pagans danced and whooped in delight Monday as a bright early morning sun rose above the ancient stone circle Stonehenge, marking the summer solstice. About 20,000 people crowded the prehistoric site on Salisbury Plain, southern England, to see the sunrise at 4:52 A.M. (1152EST), following an annual all-night party. (AP Photo/Lefteris Pitarakis)

The sun is rising behind the Stonehenge monument in England, during the summer solstice shortly after 04.52 am, Monday, June 21, 2010.Thousands of New Agers and neo-pagans danced and whooped in delight Monday as a bright early morning sun rose above the ancient stone circle Stonehenge, marking the summer solstice. About 20,000 people crowded the prehistoric site on Salisbury Plain, southern England, to see the sunrise at 4:52 A.M. (1152EST), following an annual all-night party. (AP Photo/Lefteris Pitarakis)

The Stonehenge monument in England is seen, early Monday ,June 21, 2010. Thousands of New Agers and neo-pagans danced and whooped in delight Monday as a bright early morning sun rose above the ancient stone circle Stonehenge, marking the summer solstice. About 20,000 people crowded the prehistoric site on Salisbury Plain, southern England, to see the sunrise at 4:52 A.M. (1152EST), following an annual all-night party. (AP Photo/Lefteris Pitarakis)

People raise their hands meditating during the summer solstice shortly after 04.52 am at the Stonehenge monument, England, Monday , June 21, 2010. Thousands of New Agers and neo-pagans danced and whooped in delight Monday as a bright early morning sun rose above the ancient stone circle Stonehenge, marking the summer solstice. About 20,000 people crowded the prehistoric site on Salisbury Plain, southern England, to see the sunrise at 4:52 A.M. (1152EST), following an annual all-night party. (AP Photo/Lefteris Pitarakis)

People dance and play music as they wait for the sunrise during an all-night party to celebrate the summer solstice at the Stonehenge monument, England, early Monday, June 21, 2010. Thousands of New Agers and neo-pagans danced and whooped in delight Monday as a bright early morning sun rose above the ancient stone circle Stonehenge, marking the summer solstice. About 20,000 people crowded the prehistoric site on Salisbury Plain, southern England, to see the sunrise at 4:52 A.M. (1152EST), following an annual all-night party. (AP Photo/Lefteris Pitarakis)

People dance as they celebrate the summer solstice at the Stonehenge monument, England, Monday, June 21, 2010. Thousands of New Agers and neo-pagans danced and whooped in delight Monday as a bright early morning sun rose above the ancient stone circle Stonehenge, marking the summer solstice. About 20,000 people crowded the prehistoric site on Salisbury Plain, southern England, to see the sunrise at 4:52 A.M. (1152EST), following an annual all-night party. (AP Photo/Lefteris Pitarakis)

People dance as they celebrate the summer solstice at the Stonehenge monument, England, Monday, June 21, 2010. Thousands of New Agers and neo-pagans danced and whooped in delight Monday as a bright early morning sun rose above the ancient stone circle Stonehenge, marking the summer solstice. About 20,000 people crowded the prehistoric site on Salisbury Plain, southern England, to see the sunrise at 4:52 A.M. (1152EST), following an annual all-night party. (AP Photo/Lefteris Pitarakis)

People dance as they celebrate the summer solstice at the Stonehenge monument, England, Monday June 21, 2010. Thousands of New Agers and neo-pagans danced and whooped in delight Monday as a bright early morning sun rose above the ancient stone circle Stonehenge, marking the summer solstice. About 20,000 people crowded the prehistoric site on Salisbury Plain, southern England, to see the sunrise at 4:52 A.M. (1152EST), following an annual all-night party. (AP Photo/Lefteris Pitarakis)

People dance and play music as they wait for the sunrise during an all-night party to celebrate the summer solstice at the Stonehenge monument, England, early Monday, June 21, 2010. Thousands of New Agers and neo-pagans danced and whooped in delight Monday as a bright early morning sun rose above the ancient stone circle Stonehenge, marking the summer solstice. About 20,000 people crowded the prehistoric site on Salisbury Plain, southern England, to see the sunrise at 4:52 A.M. (1152EST), following an annual all-night party. (AP Photo/Lefteris Pitarakis)

People raise their hands meditating during the summer solstice shortly after 04.52 am at the Stonehenge monument, England, Monday, June 21, 2010. Thousands of New Agers and neo-pagans danced and whooped in delight Monday as a bright early morning sun rose above the ancient stone circle Stonehenge, marking the summer solstice. About 20,000 people crowded the prehistoric site on Salisbury Plain, southern England, to see the sunrise at 4:52 A.M. (1152EST), following an annual all-night party. (AP Photo/Lefteris Pitarakis)

People watch the sunrise as they celebrate the summer solstice at the Stonehenge monument, England, Monday, June 21, 2010. Thousands of New Agers and neo-pagans danced and whooped in delight Monday as a bright early morning sun rose above the ancient stone circle Stonehenge, marking the summer solstice. About 20,000 people crowded the prehistoric site on Salisbury Plain, southern England, to see the sunrise at 4:52 A.M. (1152EST), following an annual all-night party. (AP Photo/Lefteris Pitarakis)

Summer solstice at Stonehenge.Dawn breaks at the World Heritage site at Stonehenge in Wiltshire as revellers gathered to watch the sunrise during the summer solstice, marking the longest day of the year. Picture date: Monday June 21, 2010. Photo credit should read: Chris Ison/PA Wire URN:9058476 (Press Association via AP Images)

Summer solstice at Stonehenge.Revellers gather at the World Heritage site at Stonehenge in Wiltshire to watch the sunrise during the summer solstice, marking the longest day of the year. Picture date: Monday June 21, 2010. Photo credit should read: Chris Ison/PA Wire URN:9058457 (Press Association via AP Images)

Summer solstice at Stonehenge.Revellers gathered at the World Heritage site at Stonehenge in Wiltshire after watching the sunrise during the summer solstice, marking the longest day of the year. Picture date: Monday June 21, 2010. Photo credit should read: Chris Ison/PA Wire URN:9058472 (Press Association via AP Images)

Summer solstice at Stonehenge.A senior police officer swaps his cap for an ivy garland to pose for a picture with a visitor to the World Heritage site at Stonehenge in Wiltshire after watching the sunrise during the summer solstice, the longest day of the year. Picture date: Monday June 21, 2010. Photo credit should read: Chris Ison/PA Wire URN:9058485 (Press Association via AP Images)

Summer solstice at Stonehenge.Police amongst revellers at the World Heritage site at Stonehenge in Wiltshire after the sunrise during the summer solstice, marking the longest day of the year. Picture date: Monday June 21, 2010. Photo credit should read: Chris Ison/PA URN:9058458 (Press Association via AP Images)

Summer solstice at Stonehenge.A senior police officer swaps his cap for an ivy garland to pose for a picture with a visitor to the World Heritage site at Stonehenge in Wiltshire after watching the sunrise during the summer solstice, the longest day of the year. Picture date: Monday June 21, 2010. Photo credit should read: Chris Ison/PA URN:9058480 (Press Association via AP Images)

Summer solstice at Stonehenge.A visitor to the World Heritage site at Stonehenge in Wiltshire finds a moment of calm after watching the sunrise during the summer solstice, the longest day of the year. Picture date: Monday June 21, 2010. Photo credit should read: Chris Ison/PA Wire URN:9058429 (Press Association via AP Images)

Summer solstice at Stonehenge.A reveller is removed from the World Heritage site at Stonehenge in Wiltshire by security officers, during the summer solstice, which marks the longest day of the year. Picture date: Monday June 21, 2010. Photo credit should read: Chris Ison/PA Wire URN:9058431 (Press Association via AP Images)

Summer solstice at Stonehenge.Revellers gather at the World Heritage site at Stonehenge in Wiltshire to watch the sunrise during the summer solstice, marking the longest day of the year. Picture date: Monday June 21, 2010. Photo credit should read: Chris Ison/PA URN:9058430 (Press Association via AP Images)

Summer solstice at Stonehenge.Revellers at the World Heritage site at Stonehenge in Wiltshire where they watched the sunrise during the summer solstice, which marks the longest day of the year. Picture date: Monday June 21, 2010. Photo credit should read: Chris Ison/PA Wire URN:9058433 (Press Association via AP Images)

Summer solstice at Stonehenge.A visitor to the World Heritage site at Stonehenge in Wiltshire yawns after watching the sunrise during the summer solstice, the longest day of the year. Picture date: Monday June 21, 2010. Photo credit should read: Chris Ison/PA Wire URN:9058432 (Press Association via AP Images)

Summer solstice at Stonehenge.A visitor leans against a stone at the World Heritage site at Stonehenge in Wiltshire where thousands of people had spent the night waiting to watch the sunrise on the summer solstice, the longest day of the year. Picture date: Monday June 21, 2010. Photo credit should read: Chris Ison/PA Wire URN:9058428 (Press Association via AP Images)

Summer solstice at Stonehenge.Revellers gather at the World Heritage site at Stonehenge in Wiltshire to watch the sunrise during the summer solstice, marking the longest day of the year. Picture date: Monday June 21, 2010. Photo credit should read: Chris Ison/PA Wire URN:9058356 (Press Association via AP Images)

Summer solstice at Stonehenge.Revellers gather at the World Heritage site at Stonehenge in Wiltshire to watch the sunrise during the summer solstice, marking the longest day of the year. Picture date: Monday June 21, 2010. Photo credit should read: Chris Ison/PA Wire URN:9058285 (Press Association via AP Images)

Summer solstice at Stonehenge.Revellers gather at the World Heritage site at Stonehenge in Wiltshire to watch the sunrise during the summer solstice, marking the longest day of the year. Picture date: Monday June 21, 2010. Photo credit should read: Chris Ison/PA Wire URN:9058279 (Press Association via AP Images)

Summer solstice at Stonehenge.Revellers gather at the World Heritage site at Stonehenge in Wiltshire to watch the sunrise during the summer solstice, marking the longest day of the year. Picture date: Monday June 21, 2010. Photo credit should read: Chris Ison/PA Wire URN:9058280 (Press Association via AP Images)

Summer solstice at Stonehenge.Revellers gather at the World Heritage site at Stonehenge in Wiltshire to watch the sunrise during the summer solstice, marking the longest day of the year. Picture date: Monday June 21, 2010. Photo credit should read: Chris Ison/PA Wire URN:9058284 (Press Association via AP Images)

People celebrate the summer solstice shortly after 04:52 am at the Stonehenge monument, England, Monday, June 21, 2010. Druids, pagans and partygoers crammed into the mystic stone circle to cheer, bang drums and shake tambourines in an effort to greet the sun on the longest day of the year in the northern hemisphere, the summer solstice. Stonehenge, on the Salisbury Plain about 140 kilometers (90 miles) southwest of London, was built over three phases between 3000 B.C. and 1600 B.C. It is one of Britain's most popular tourist attractions; more than 750,000 people visit every year. (AP Photo/Lefteris Pitarakis)

People dance as they celebrate the summer solstice shortly after 04:52 am at the Stonehenge monument, England, Monday, June 21, 2010. Druids, pagans and partygoers crammed into the mystic stone circle to cheer, bang drums and shake tambourines in an effort to greet the sun on the longest day of the year in the northern hemisphere, the summer solstice. Stonehenge, on the Salisbury Plain about 140 kilometers (90 miles) southwest of London, was built over three phases between 3000 B.C. and 1600 B.C. It is one of Britain's most popular tourist attractions; more than 750,000 people visit every year. (AP Photo/Lefteris Pitarakis)

A woman reflects as she touches part of the Stonehenge monument, England, celebrating the summer solstice shortly after 04:52 am, Monday, June 21, 2010. Druids, pagans and partygoers crammed into the mystic stone circle to cheer, bang drums and shake tambourines in an effort to greet the sun on the longest day of the year in the northern hemisphere, the summer solstice. Stonehenge, on the Salisbury Plain about 140 kilometers (90 miles) southwest of London, was built over three phases between 3000 B.C. and 1600 B.C. It is one of Britain's most popular tourist attractions; more than 750,000 people visit every year. (AP Photo/Lefteris Pitarakis)

People raise their hands meditating during the summer solstice shortly after 04:52 am at the Stonehenge monument, England, early Monday, June 21, 2010. Druids, pagans and partygoers crammed into the mystic stone circle to cheer, bang drums and shake tambourines in an effort to greet the sun on the longest day of the year in the northern hemisphere, the summer solstice. Stonehenge, on the Salisbury Plain about 140 kilometers (90 miles) southwest of London, was built over three phases between 3000 B.C. and 1600 B.C. It is one of Britain's most popular tourist attractions; more than 750,000 people visit every year. (AP Photo/Lefteris Pitarakis)

People dance as they celebrate the summer solstice shortly after 04:52 am at the Stonehenge monument, England, early Monday, June 21, 2010. Druids, pagans and partygoers crammed into the mystic stone circle to cheer, bang drums and shake tambourines in an effort to greet the sun on the longest day of the year in the northern hemisphere, the summer solstice. Stonehenge, on the Salisbury Plain about 140 kilometers (90 miles) southwest of London, was built over three phases between 3000 B.C. and 1600 B.C. It is one of Britain's most popular tourist attractions; more than 750,000 people visit every year. (AP Photo/Lefteris Pitarakis)

A woman reflects as she touches part of the Stonehenge monument, England, celebrating the summer solstice shortly after 04:52 am, early Monday, June 21, 2010. Druids, pagans and partygoers crammed into the mystic stone circle to cheer, bang drums and shake tambourines in an effort to greet the sun on the longest day of the year in the northern hemisphere, the summer solstice. Stonehenge, on the Salisbury Plain about 140 kilometers (90 miles) southwest of London, was built over three phases between 3000 B.C. and 1600 B.C. It is one of Britain's most popular tourist attractions; more than 750,000 people visit every year. (AP Photo/Lefteris Pitarakis)

People dance as they celebrate the summer solstice shortly after 04:52 am at the Stonehenge monument, England, Monday, June 21, 2010. Druids, pagans and partygoers crammed into the mystic stone circle to cheer, bang drums and shake tambourines in an effort to greet the sun on the longest day of the year in the northern hemisphere, the summer solstice. Stonehenge, on the Salisbury Plain about 140 kilometers (90 miles) southwest of London, was built over three phases between 3000 B.C. and 1600 B.C. It is one of Britain's most popular tourist attractions; more than 750,000 people visit every year. (AP Photo/Lefteris Pitarakis)

People wait for the sunrise to celebrate the summer solstice shortly before 04:52 am at the Stonehenge monument, England, Monday, June 21, 2010. Druids, pagans and partygoers crammed into the mystic stone circle to cheer, bang drums and shake tambourines in an effort to greet the sun on the longest day of the year in the northern hemisphere, the summer solstice. Stonehenge, on the Salisbury Plain about 140 kilometers (90 miles) southwest of London, was built over three phases between 3000 B.C. and 1600 B.C. It is one of Britain's most popular tourist attractions; more than 750,000 people visit every year. (AP Photo/Lefteris Pitarakis)

People raise their hands meditating during the summer solstice shortly after 04:52 am at the Stonehenge monument, England, early Monday, June 21, 2010. Druids, pagans and partygoers crammed into the mystic stone circle to cheer, bang drums and shake tambourines in an effort to greet the sun on the longest day of the year in the northern hemisphere, the summer solstice. Stonehenge, on the Salisbury Plain about 140 kilometers (90 miles) southwest of London, was built over three phases between 3000 B.C. and 1600 B.C. It is one of Britain's most popular tourist attractions; more than 750,000 people visit every year. (AP Photo/Lefteris Pitarakis)

People raise their hands meditating during the summer solstice shortly after 04:52 am at the Stonehenge monument, England, early Monday, June 21, 2010. Druids, pagans and partygoers crammed into the mystic stone circle to cheer, bang drums and shake tambourines in an effort to greet the sun on the longest day of the year in the northern hemisphere, the summer solstice. Stonehenge, on the Salisbury Plain about 140 kilometers (90 miles) southwest of London, was built over three phases between 3000 B.C. and 1600 B.C. It is one of Britain's most popular tourist attractions; more than 750,000 people visit every year. (AP Photo/Lefteris Pitarakis)

People dance as they celebrate the summer solstice shortly after 04:52 am at the Stonehenge monument, England, early Monday, June 21, 2010. Druids, pagans and partygoers crammed into the mystic stone circle to cheer, bang drums and shake tambourines in an effort to greet the sun on the longest day of the year in the northern hemisphere, the summer solstice. Stonehenge, on the Salisbury Plain about 140 kilometers (90 miles) southwest of London, was built over three phases between 3000 B.C. and 1600 B.C. It is one of Britain's most popular tourist attractions; more than 750,000 people visit every year. (AP Photo/Lefteris Pitarakis)

The sun is rising behind the Stonehenge monument in England, during the summer solstice shortly after 04:52 am, early Monday, June 21, 2010. Druids, pagans and partygoers crammed into the mystic stone circle to cheer, bang drums and shake tambourines in an effort to greet the sun on the longest day of the year in the northern hemisphere, the summer solstice. Stonehenge, on the Salisbury Plain about 140 kilometers (90 miles) southwest of London, was built over three phases between 3,000 B.C. and 1,600 B.C. It is one of Britain's most popular tourist attractions; more than 750,000 people visit every year. (AP Photo/Lefteris Pitarakis)

Paganos, druidas y otros celebran el solsticio de invierno en Stonehenge, Inglaterra, el martes 22 de diciembre del 2009 (AP Foto/Ben Birchall/PA)

Paganos, druidas y otros celebrasn el solsticio de invierno en Stonehenge, Inglaterra, el martes 22 de diciembre del 2009 (AP FotoBen Birchall/PA) ** UNITED KINGDOM OUT **

Winter Solstice at Stonehenge.Revellers watch druidic ceremonies and take photos near the Key Stone, away from the Stone Circle at Stonehenge as Druids and revellers celebrate the Winter Solstice. Picture date: Tuesday December 22, 2009. See PA story HERITAGE Solstice. Photo credit should read: Ben Birchall/PA Wire URN:8152221 (Press Association via AP Images)

Winter Solstice at Stonehenge.A reveller inside the Stone Circle at Stonehenge as Druids and revellers celebrate the Winter Solstice. Picture date: Tuesday December 22, 2009. See PA story HERITAGE Solstice. Photo credit should read: Ben Birchall/PA Wire URN:8152225 (Press Association via AP Images)

Winter Solstice at Stonehenge.Revellers watch druidic ceremonies near the Key Stone, away from the Stone Circle at Stonehenge as Druids and revellers celebrate the Winter Solstice. Picture date: Tuesday December 22, 2009. See PA story HERITAGE Solstice. Photo credit should read: Ben Birchall/PA Wire URN:8152234 (Press Association via AP Images)

Winter Solstice at Stonehenge.Revellers embrace during druidic ceremonies near the Key Stone, away from the Stone Circle at Stonehenge as Druids and revellers celebrate the Winter Solstice. Picture date: Tuesday December 22, 2009. See PA story HERITAGE Solstice. Photo credit should read: Ben Birchall/PA Wire URN:8152237 (Press Association via AP Images)

Winter Solstice at Stonehenge.Arthur Pendragan, formally known as Jhon Rothwell, takes part in druidic ceremonies near the Key Stone, away from the Stone Circle at Stonehenge as Druids and revellers celebrate the Winter Solstice. Picture date: Tuesday December 22, 2009. See PA story HERITAGE Solstice. Photo credit should read: Ben Birchall/PA Wire URN:8152236 (Press Association via AP Images)

Winter Solstice at Stonehenge.Revellers set light to some paper inside the Stone Circle at Stonehenge as Druids and revellers celebrate the Winter Solstice. Picture date: Tuesday December 22, 2009. See PA story HERITAGE Solstice. Photo credit should read: Ben Birchall/PA Wire URN:8152229 (Press Association via AP Images)

Winter Solstice at Stonehenge.Revellers have a coffee break outside the Stone Circle at Stonehenge as Druids and revellers celebrate the Winter Solstice. Picture date: Tuesday December 22, 2009. See PA story HERITAGE Solstice. Photo credit should read: Ben Birchall/PA Wire URN:8152235 (Press Association via AP Images)

Winter Solstice at Stonehenge.Jasmine Arbon, aged 10, from Swindon, who follows the Druidic Path watches the celebrations inside the Stone Circle at Stonehenge as Druids and revellers celebrate the Winter Solstice. Picture date: Tuesday December 22, 2009. See PA story HERITAGE Solstice. Photo credit should read: Ben Birchall/PA Wire URN:8152227 (Press Association via AP Images)

Winter Solstice at Stonehenge.Revellers take part in druidic ceremonies near the Key Stone, away from the Stone Circle at Stonehenge as Druids and revellers celebrate the Winter Solstice. Picture date: Tuesday December 22, 2009. See PA story HERITAGE Solstice. Photo credit should read: Ben Birchall/PA Wire URN:8152230 (Press Association via AP Images)

Winter Solstice at Stonehenge.Revellers watch druidic ceremonies near the Key Stone, away from the Stone Circle at Stonehenge as Druids and revellers celebrate the Winter Solstice. Picture date: Tuesday December 22, 2009. See PA story HERITAGE Solstice. Photo credit should read: Ben Birchall/PA Wire URN:8152223 (Press Association via AP Images)

Winter Solstice at Stonehenge.Jasmine Arbon, aged 10, from Swindon, who follows the Druidic Path watches the celebrations inside the Stone Circle at Stonehenge as Druids and revellers celebrate the Winter Solstice. Picture date: Tuesday December 22, 2009. See PA story HERITAGE Solstice. Photo credit should read: Ben Birchall/PA Wire URN:8152219 (Press Association via AP Images)

Winter Solstice at Stonehenge.Arthur Pendragan, formally known as Jhon Rothwell, takes part in druidic ceremonies near the Key Stone, away from the Stone Circle at Stonehenge as Druids and revellers celebrate the Winter Solstice. Picture date: Tuesday December 22, 2009. See PA story HERITAGE Solstice. Photo credit should read: Ben Birchall/PA Wire URN:8152218 (Press Association via AP Images)

Winter Solstice at Stonehenge.A reveller beats a drum inside the Stone Circle at Stonehenge as Druids and revellers celebrate the Winter Solstice. Picture date: Tuesday December 22, 2009. See PA story HERITAGE Solstice. Photo credit should read: Ben Birchall/PA Wire URN:8152220 (Press Association via AP Images)