Yangtze alligators are seen outside its living area in Xuancheng, east China's Anhui Province, March 19, 2017. After over four months of dormant period, more than 13,000 Yangtze alligators in Xuancheng Yangtze alligator national conservation area began to be transferred to the outdoor in order to make them enjoy the warm sunshine of spring. (Xinhua/Meng Dingbo)