British actress and humanitarian Audrey Hepburn, 1955. Jumpology. (Photo by Philippe Halsman)

“March 19, 2012 was the first rehearsal for the Victory Day Parade at the training ground in Alabino (near Moscow, Moscow Military District). Since the end of February troops and vehicles from various units and formations of the Armed Forces began arriving to Alabino training ground. The first rehearsal included only military vehicles. During the ride the average speed of vehicles is 12 km/h, the distance depending on the type of vehicle from 12 to 15 meters”. – Vitaly Kuzmin

HRP-4C, a five-foot humanoid robot developed at Japan's National Institute of Advanced Industrial Science and Technology, sings and dances with performers at the Digital Contents Expo in Tokyo on October 17, 2010. The robot runs entertainment software called Choreonoid, a name formed from the words “choreograph” and “humanoid”. (Yoshikazu Tsuno/AFP)

A large bull walrus returns to the shores of Prins Karl Forland after diving and feeding on clams. (Photo by Paul Nicklen/National Geographic). Svalbard, Norway, 2011

A Black and Tan Coonhound named Harbor has the longest ears of any living dog, with measurements of 12.25 (31,12 cm) inches for the left ear and 13.5 (34,29 cm) inches for the right. (Photo by Ryan Schude/Guinness World Records via AP)

Vivid colors and bizarre shapes come together in a false-color image that could be an illustration for a fantasy story. This labyrinth of exotic features winds its way along the edge of Russia’s Chaunskaya Bay in northeastern Siberia, seen as a vivid blue half-circle at the bottom of the image Two major rivers, the Chaun and Palyavaam, flow into the bay, which in turn opens into the Arctic Ocean. Ribbon lakes and bogs are present throughout the area, created by depressions left by receding glaciers. (Photo by USGS/NASA)

Young Slovaks dressed in traditional costumes throw a bucket of water at a girl as part of Easter celebrations in the village of Trencianska Tepla, Slovakia, April 9, 2012. Slovakia's men splash women with water to symbolize youth, strength and beauty for the upcoming spring season. (Photo by Samuel Kubani/AFP)

Micro pigs have become so popular in England that they are almost impossible to get hold of. They are going for as much as $1,1000 apiece. (Photo by Geoff Robinson)