![](http://www.xinhuanet.com/english/2021-02/21/139756759_16139055740121n.jpg)
Visitors view penguins at Harbin Polarland in Harbin, capital of northeast China's Heilongjiang Province, Feb. 21, 2021. The Harbin Polarland resumed its operation with sufficient COVID-19 prevention and control measures on Sunday. (Xinhua/Wang Jianwei) |