Solstice celebrated around the world
Revelers dressed in Aztec costume celebrate the summer solstice on Salisbury Plain in southern England, June 21, 2014.
Stonehenge is a celebrated venue of festivities during the summer solstice - the longest day of the year in the northern hemisphere - and it attracts thousands of revelers, spiritualists and tourists.
Druids, a pagan religious order dating back to Celtic Britain, believe Stonehenge was a center of spiritualism more than 2,000 years ago.
New York City
People practice yoga in Times Square as part of a Summer Solstice celebration in New York, June 21, 2014.
Macedonia
People celebrate the summer solstice at the Kokino megalithic observatory, near the city of Kumanovo, Macedonia, June 21, 2014.
The 3,800-year-old observatory was discovered in 2001 in the northwestern town of Kumanovo, north from Skopje, and is ranked as the fourth oldest observatory in the world, according to NASA.
Belarus
People take part in the Ivan Kupala festival near the town of Oktyabrski, southeast of Minsk, Belarus, June 21, 2014.
England
Revelers perform yoga as they celebrate the summer solstice on Salisbury Plain in southern England, June 21, 2014.
England
A reveler creates bubbles as she celebrates the summer solstice on Salisbury Plain in southern England, June 21, 2014.
England
A reveler hugs one of the stones at Stonehenge as she celebrates the summer solstice on Salisbury Plain in southern England, June 21, 2014.
New York City
A woman practices yoga in Times Square as part of a Summer Solstice celebration in New York, June 21, 2014.
Belarus
People take part in the Ivan Kupala festival near the town of Oktyabrski, southeast of Minsk, Belarus, June 21, 2014.
England
Revelers arrive to celebrate the summer solstice at the Stonehenge monument on Salisbury Plain in southern England, June 20, 2014.
England
Revelers perform yoga as they celebrate the summer solstice on Salisbury Plain, in southern England, June 21, 2014.
England
Revelers celebrate the summer solstice on Salisbury Plain in southern England, June 21, 2014.
New York City
People practice yoga in Times Square as part of a Summer Solstice celebration in New York, June 21, 2014.
Macedonia
People celebrate the summer solstice at the Kokino megalithic observatory, near the city of Kumanovo, Macedonia, June 21, 2014.
The 3,800-year-old observatory was discovered in 2001 in the northwestern town of Kumanovo, north from Skopje, and is ranked as the fourth oldest observatory in the world, according to NASA.