
Children closely watch the locally bred polar bear Inuka at the Singapore Zoo, May 29, 2013. The Singapore Zoo celebrated the moving of Inuka, the first polar bear born in the Singapore Zoo and the tropics, into its new enclosure by hosting a housewarming ceremony on Wednesday. (Xinhua/Then Chih Wey)

The locally bred polar bear Inuka swims at the Singapore Zoo, May 29, 2013. The Singapore Zoo celebrated the moving of Inuka, the first polar bear born in the Singapore Zoo and the tropics, into its new enclosure by hosting a housewarming ceremony on Wednesday. (Xinhua/Then Chih Wey)

The locally bred polar bear Inuka eats its ice cake at the Singapore Zoo, May 29, 2013. The Singapore Zoo celebrated the moving of Inuka, the first polar bear born in the Singapore Zoo and the tropics, into its new enclosure by hosting a housewarming ceremony on Wednesday. (Xinhua/Then Chih Wey)

Children sit on the chair at the Singapore Zoo, May 29, 2013. The Singapore Zoo celebrated the moving of Inuka, the first polar bear born in the Singapore Zoo and the tropics, into its new enclosure by hosting a housewarming ceremony on Wednesday. (Xinhua/Then Chih Wey)

The locally bred polar bear Inuka swims at the Singapore Zoo, May 29, 2013. The Singapore Zoo celebrated the moving of Inuka, the first polar bear born in the Singapore Zoo and the tropics, into its new enclosure by hosting a housewarming ceremony on Wednesday. (Xinhua/Then Chih Wey)

A visitor catches a water droplet from a polar bear ice sculpture at the Singapore Zoo, May 29, 2013. The Singapore Zoo celebrated the moving of Inuka, the first polar bear born in the Singapore Zoo and the tropics, into its new enclosure by hosting a housewarming ceremony on Wednesday. (Xinhua/Then Chih Wey)

Children closely watch the locally bred polar bear Inuka at the Singapore Zoo, May 29, 2013. The Singapore Zoo celebrated the moving of Inuka, the first polar bear born in the Singapore Zoo and the tropics, into its new enclosure by hosting a housewarming ceremony on Wednesday. (Xinhua/Then Chih Wey)

Children closely watch the locally bred polar bear Inuka at the Singapore Zoo, May 29, 2013. The Singapore Zoo celebrated the moving of Inuka, the first polar bear born in the Singapore Zoo and the tropics, into its new enclosure by hosting a housewarming ceremony on Wednesday. (Xinhua/Then Chih Wey)

Children closely watch the locally bred polar bear Inuka at the Singapore Zoo, May 29, 2013. The Singapore Zoo celebrated the moving of Inuka, the first polar bear born in the Singapore Zoo and the tropics, into its new enclosure by hosting a housewarming ceremony on Wednesday. (Xinhua/Then Chih Wey)

Children closely watch the locally bred polar bear Inuka at the Singapore Zoo, May 29, 2013. The Singapore Zoo celebrated the moving of Inuka, the first polar bear born in the Singapore Zoo and the tropics, into its new enclosure by hosting a housewarming ceremony on Wednesday. (Xinhua/Then Chih Wey)