GETTY IMAGES/Scott Barbour
Solstice participants wait for the sun to rise over the megalithic monument of Stonehenge Thursday, June 21, 2007, on Salisbury Plain, England. Crowds gathered at the 5,000-year-old stone circle to celebrate the summer solstice; the longest day of the year in the Northern Hemisphere.
AP Photo/Max Nash
Some of the many thousands who came to the ancient Stonehenge monument, background, on Salisbury Plain in southwest England, wait in vain for the summer solstice sunrise, Thursday, June 21, 2007. The sun was obscured by clouds.
GETTY IMAGES/Scott Barbour
Solstice enthusiasts wait in hopes of getting a glimpse of the sun over Stonehenge Thursday, June 21, 2007, on Salisbury Plain, England. Crowds gathered at the ancient stone circle to celebrate the summer solstice; the longest day of the year in the Northern Hemisphere.
GETTY IMAGES/Scott Barbour
Druids, drummers, pagans and partygoers welcomed the sun as it rose, obscured by clouds, above the prehistoric monument on Salisbury Plain, England, on the longest day of the year -- the summer solstice.
GETTY IMAGES/Scott Barbour
Solstice participants wait for a glimpse of the sun at the megalithic monument of Stonehenge Thursday, June 21, 2007, on Salisbury Plain, England.
GETTY IMAGES/Scott Barbour
A couple embraces as they wait for a glimpse at the sun over Stonehenge Thursday, June 21, 2007, on Salisbury Plain, England.
AP Photo/Max Nash
Drummers play at the ancient Stonehenge monument, background, on Salisbury Plain in southwest England, after thousands waited in vain for the summer solstice sunrise, Thursday, June 21, 2007. The sun was obscured by clouds.
AP Photo/Max Nash
Security personnel watch some of the many thousands who came to the ancient Stonehenge monument, on Salisbury Plain in southwest England, leave Thursday, June 21, 2007, after the summer solstice sunrise was obscured by clouds.
AP Photo/Dima Gavrysh
Yoga enthusiasts stretch and chant during the Times Square Alliance's annual "Summer Solstice in Times Square Yoga-thon," Thursday, June 21, 2007, in New York.
STAN HONDA/AFP/Getty Images
As morning traffic rushes by, a yoga enthusiast participates in a summer solstice "yoga-thon," Thursday, June 21, 2007, in New York's Times Square to celebrate the first official day of summer.
AP Photo/Dima Gavrysh
Yoga enthusiasts stretch during the Times Square Alliance's Annual "Summer Solstice in Times Square Yoga-thon," Thursday, June 21, 2007, in New York.
GETTY IMAGES/Mario Tama
Yoga enthusiasts from across the country participate in the annual "Summer Solstice in Times Square Yoga-thon" as taxis drive past Thursday, June 21, 2007, in New York. The summer solstice is the first official day of summer and the longest day of the year.
STAN HONDA/AFP/Getty Images
Yoga enthusiasts participate in a summer solstice "yoga-thon", Thursday, June 21, 2007, in the center of New York's Times Square to celebrate the first official day of summer.
STAN HONDA/AFP/Getty Images
Yoga enthusiasts participate in a summer solstice "yoga-thon", Thursday, June 21, 2007, in the center of New York's Times Square to celebrate the first day of summer.