Photographers take pictures of “Thug” the Pygmy Hippo exploring his new enclosure during a photocall at the zoo in London, Thursday, April 3, 2014. Thug and his lifelong Pygmy Hippo companion Nicky were unveiled to the media in their new home Thursday, which opens for public viewing on April 5 as part of the zoo's “Into Africa” exhibit. (Photo by Matt Dunham/AP Photo)
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