Revellers take part in a mass pillow fight in Trafalgar Square in central London on April 6, 2013 on International Pillow Fight Day. AFP PHOTO/CARL COURT
Credit: CARL COURT
Newly-hatched Olive Ridley turtles make their way to the ocean at Rushikulya river mouth beach in Ganjam district, 140 kilometers south of the eastern Indian city of Bhubaneswar, on April 11, 2013. Thousands of Olive Ridley sea turtles nest their eggs in parts of the Bay of Bengal Sea on the beach at Rushikulya. Millions of baby Olive Ridley turtles are hatching and entering the Bay of Bengal, one of the mass nesting sites in the Indian coastal state of Orissa. AFP PHOTO/ASIT KUMAR
People crowd a phallus-shape portable shrine outside the Kanayama shrine during the Kanamara festival in Kawasaki, Kanagawa prefecture, on April 7, 2013. The origin of this festival is traced to the Edo Period (1603-1868) when Kawasaki prostitutes prayed for success in their business and protection from sexual disease. Now people celebrate the advent of Spring to pray for their health, fertile marriage and easy delivery. AFP PHOTO / RIE ISHII
A visitor uses a Samsung Electronics Co. device to take a photograph of SiliconSign Inc.'s 1.9mm super fine pitch light-emitting diode (LED) panel display at the company's booth at the Finetech Japan exhibition in Tokyo, Japan, on Thursday, April 11, 2013. Finetech Japan, the world's largest flat panel display exhibition, will be held through April 12. Photographer: Kiyoshi Ota/Bloomberg via Getty Images
A robot stands on display at the Maxon Motor stand at the Hannover Messe 2013 industrial trade fair on April 8, 2013 in Hanover, Germany. The Hannover Messe is the world's largest industrial trade fair and will be open until April 12.
Credit: Sean Gallup
Workers put together elements of a 13,8m tall sculpture of late Pope John Paul II in Czestochowa, southern Poland on April 7, 2013. AFP PHOTO/JANEK SKARZYNSKI
Credit: JANEK SKARZYNSKI
Visitors walk through an exhibit that features yarmulkas, hats and other headwear at the exhibition 'The Whole Truth - Everything You Always Wanted To Know About Jews . . . ' at the Juedisches Museum (Jewish Museum) on April 4, 2013 in Berlin, Germany. The exhibition presents every-day aspects of Jewish life, poses simple questions answered with exhibits and challenges certain stereotypes. However its live exhibit, which features a Jewish person who sits in a plastic enclosure open on one side for several hours a day to answer visitors' questions, has sparked criticism from some Jewish groups.