Wong Maye-E / AP
Inuka, the first polar bear born in the tropics, swims in his new enclosure at the Singapore Zoo on May 29, 2013 in Singapore. Modeled closely after the arctic habitat, the enclosure helps replicate the chilly climate of the arctic by including an ice cave, and a large pool filled with giant ice blocks. These are part of the Wildlife Reserves Singapore's efforts in providing visitors greater knowledge of the natural world.
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