Ultra Orthodox Jews celebrate the Jewish holiday of Purim on March 8, 2012 in Benei Brak, Israel. The carnival-like Purim holiday is celebrated with parades and costume parties to commemorate the deliverance of the Jewish people from a plot to exterminate them in the ancient Persian empire 2,500 years ago, as described in the Book of Esther. (Photo by Uriel Sinai/Getty Images)

These adorable images of new born polar bears are bound to warm the hearts of even the biggest Ba-humbugs this Christmas. The stunning collection of photographs, taken over the space of ten years, manage to capture the tender bond between both mother and child as they emerge from their den for the very first time. Here: a Polar bear with its cub. (Photo by David Jenkins/Caters News)

Michael Bath, from McLeans Ridges in New South Wales, Australia, estimates that in his lifetime he has taken more than 3,500 images of lightning bolts illuminating the sky. Photo: Alstonville, New South Wales, Australia – January 8, 2003. (Photo by Michael Bath/Caters News)

Andre Ermolaev is a photographer from Moscow, Russia (featured previously). In an ongoing series of aerial photos, Andre captures Iceland’s incredible landscape like you’ve never seen. Many of his images focus on capturing glacial rivers flowing through Iceland’s volcanic areas and the patterns and colours that emerge from the resulting flow.

Encyclopedia Britannica editions are seen at the New York Public Library on March 14, 2012 in New York City. Encyclopedia Britannica announced it will be ceasing its print edition of reference books for the first time in its 244-year history to focus solely on digital versions. (Photo by Mario Tama/Getty Images)

Mr. Olympia Phil Heath poses during a media call ahead of the 2012 IFBB Australian Pro Grand Prix XIII on March 16, 2012 in Melbourne, Australia. (Photo by Robert Cianflone/Getty Images)

Revelers celebrate the Indian festival of Holi on a boat cruise around part of Manhattan on March 17, 2012 in New York City. During the Hindu festival of Holi, also known as the Festival of Colors, which marks the arrival of spring, participants throw colored powder and water on one another. Many of the New York participants are Indian-American. (Photo by Mario Tama/Getty Images)

Men dressed as traditional Greek warriors participate in the annual Greek Independence Day Parade on Fifth Avenue on March 25, 2012 in New York City. It was the 191st annual parade which ran from 64th Street to 79th Street on Fifth Avenue and celebrates Greek heritage. (Photo by Andrew Burton/Getty Images)