A woman dressed as a unicorn watches the sun rise, as druids, pagans and revellers take part in a winter solstice ceremony at Stonehenge on December 21, 2012 in Wiltshire, England. Predictions that the world will end today as it marks the end of a 5,125-year-long cycle in the ancient Maya calendar, encouraged a larger than normal crowd to gather at the famous historic stone circle to celebrate the sunrise closest to the Winter Solstice, the shortest day of the year. By Matt Cardy/Getty Images.