![A macaque is seen in snow at Hongshan Forest Zoo in Nanjing, capital city of east China\'s Jiangsu Province, Dec. 9, 2018. (Xinhua/Su Yang)](http://www.ecns.cn/hd/2018/12/10/3ee9f029412646ddafd40df05d2a3e89.jpg)
A macaque is seen in snow at Hongshan Forest Zoo in Nanjing, capital city of east China's Jiangsu Province, Dec. 9, 2018. (Xinhua/Su Yang)
![A macaque has fun in snow at Hongshan Forest Zoo in Nanjing, capital city of east China\'s Jiangsu Province, Dec. 9, 2018. (Xinhua/Su Yang)](http://www.ecns.cn/hd/2018/12/10/409a0e7cf5f34c5ba4501c7e2094f897.jpg)
A macaque has fun in snow at Hongshan Forest Zoo in Nanjing, capital city of east China's Jiangsu Province, Dec. 9, 2018. (Xinhua/Su Yang)
![A macaque is seen in snow at Hongshan Forest Zoo in Nanjing, capital city of east China\'s Jiangsu Province, Dec. 9, 2018. (Xinhua/Su Yang)](http://www.ecns.cn/hd/2018/12/10/16bd5402fcb04909b220eadacd95470a.jpg)
A macaque is seen in snow at Hongshan Forest Zoo in Nanjing, capital city of east China's Jiangsu Province, Dec. 9, 2018. (Xinhua/Su Yang)
![A macaque is seen in snow at Hongshan Forest Zoo in Nanjing, capital city of east China\'s Jiangsu Province, Dec. 9, 2018. (Xinhua/Su Yang)](http://www.ecns.cn/hd/2018/12/10/8cfbc90f0545462289a172e431356d96.jpg)
A macaque is seen in snow at Hongshan Forest Zoo in Nanjing, capital city of east China's Jiangsu Province, Dec. 9, 2018. (Xinhua/Su Yang)
![Macaques have fun in snow at Hongshan Forest Zoo in Nanjing, capital city of east China\'s Jiangsu Province, Dec. 9, 2018. (Xinhua/Su Yang)](http://www.ecns.cn/hd/2018/12/10/d6dfd13f33f849ffbd32db72fb962de9.jpg)
Macaques have fun in snow at Hongshan Forest Zoo in Nanjing, capital city of east China's Jiangsu Province, Dec. 9, 2018. (Xinhua/Su Yang)
![A macaque is seen in snow at Hongshan Forest Zoo in Nanjing, capital city of east China\'s Jiangsu Province, Dec. 9, 2018. (Xinhua/Su Yang)](http://www.ecns.cn/hd/2018/12/10/91d02002757c49c682a0bf733149d124.jpg)
A macaque is seen in snow at Hongshan Forest Zoo in Nanjing, capital city of east China's Jiangsu Province, Dec. 9, 2018. (Xinhua/Su Yang)
![A macaque is seen in snow at Hongshan Forest Zoo in Nanjing, capital city of east China\'s Jiangsu Province, Dec. 9, 2018. (Xinhua/Su Yang)](http://www.ecns.cn/hd/2018/12/10/3708b7e0f9aa44e1a7f21fa97f2e3b27.jpg)
A macaque is seen in snow at Hongshan Forest Zoo in Nanjing, capital city of east China's Jiangsu Province, Dec. 9, 2018. (Xinhua/Su Yang)