
A koala meets the public at the Hongshan Forest Zoo in Nanjing, capital of east China's Jiangsu Province, March 15, 2018. There are totally two koalas in the zoo. (Xinhua/Liu Jianhua)

A koala meets the public at the Hongshan Forest Zoo in Nanjing, capital of east China's Jiangsu Province, March 15, 2018. There are totally two koalas in the zoo. (Xinhua/Su Yang)

A koala meets the public at the Hongshan Forest Zoo in Nanjing, capital of east China's Jiangsu Province, March 15, 2018. There are totally two koalas in the zoo. (Xinhua/Su Yang)

A koala meets the public at the Hongshan Forest Zoo in Nanjing, capital of east China's Jiangsu Province, March 15, 2018. There are totally two koalas in the zoo. (Xinhua/Su Yang)

A koala meets the public at the Hongshan Forest Zoo in Nanjing, capital of east China's Jiangsu Province, March 15, 2018. There are totally two koalas in the zoo. (Xinhua/Su Yang)

A koala meets the public at the Hongshan Forest Zoo in Nanjing, capital of east China's Jiangsu Province, March 15, 2018. There are totally two koalas in the zoo. (Xinhua/Su Yang)