A staff member of the Penglai Ocean and Polar Region World, a local aquarium, takes care of a polar bear cub in Penglai, east China's Shandong Province, Jan. 17, 2012. The first of its kind bred in the aquarium, the polar bear cub, a female born on early Jan. 1, 2012 by five-year-old Pengpeng, met visitors via live video here on Tuesday. [Xinhua/Chu Yang]