![Penguins play football at the Harbin Polarland in Harbin, capital of northeast China\'s Heilongjiang Province, June 14, 2018. (Xinhua/Cao Jiyang)](http://www.ecns.cn/hd/2018/06/14/1e7199d04e9044cb8b648dad07c64d0c.jpg)
Penguins play football at the Harbin Polarland in Harbin, capital of northeast China's Heilongjiang Province, June 14, 2018. (Xinhua/Cao Jiyang)
![Penguins play football at the Harbin Polarland in Harbin, capital of northeast China\'s Heilongjiang Province, June 14, 2018. (Xinhua/Cao Jiyang)](http://www.ecns.cn/hd/2018/06/14/3d8d673dd2f741a8a0b2c09979bca7d4.jpg)
Penguins play football at the Harbin Polarland in Harbin, capital of northeast China's Heilongjiang Province, June 14, 2018. (Xinhua/Cao Jiyang)
![Penguins play football at the Harbin Polarland in Harbin, capital of northeast China\'s Heilongjiang Province, June 14, 2018. (Xinhua/Cao Jiyang)](http://www.ecns.cn/hd/2018/06/14/71210a5807be4d7694306c83c11678e0.jpg)
Penguins play football at the Harbin Polarland in Harbin, capital of northeast China's Heilongjiang Province, June 14, 2018. (Xinhua/Cao Jiyang)
![Penguins play football at the Harbin Polarland in Harbin, capital of northeast China\'s Heilongjiang Province, June 14, 2018. (Xinhua/Cao Jiyang)](http://www.ecns.cn/hd/2018/06/14/059bba102cd2467fb788d102183e8fd9.jpg)
Penguins play football at the Harbin Polarland in Harbin, capital of northeast China's Heilongjiang Province, June 14, 2018. (Xinhua/Cao Jiyang)
![Penguins play football at the Harbin Polarland in Harbin, capital of northeast China\'s Heilongjiang Province, June 14, 2018. (Xinhua/Cao Jiyang)](http://www.ecns.cn/hd/2018/06/14/c827ec67bf064f048d95fd2565a2d6c8.jpg)
Penguins play football at the Harbin Polarland in Harbin, capital of northeast China's Heilongjiang Province, June 14, 2018. (Xinhua/Cao Jiyang)
![Penguins play football at the Harbin Polarland in Harbin, capital of northeast China\'s Heilongjiang Province, June 14, 2018. (Xinhua/Cao Jiyang)](http://www.ecns.cn/hd/2018/06/14/7a5c48fbb0764ddf8e32311edd8b3d43.jpg)
Penguins play football at the Harbin Polarland in Harbin, capital of northeast China's Heilongjiang Province, June 14, 2018. (Xinhua/Cao Jiyang)
![Penguins play football at the Harbin Polarland in Harbin, capital of northeast China\'s Heilongjiang Province, June 14, 2018. (Xinhua/Cao Jiyang)](http://www.ecns.cn/hd/2018/06/14/1d76fcb34986499b8119dda9bbfa5d02.jpg)
Penguins play football at the Harbin Polarland in Harbin, capital of northeast China's Heilongjiang Province, June 14, 2018. (Xinhua/Cao Jiyang)