![Migrant birds fly above wetland along seaside off Qinhuangdao(4/5)](http://www.ecns.cn/hd/2016/04/16/7c7e36689d534474ba423849e1076832.jpg)
Migrant birds fly above wetland along seaside off Qinhuangdao, north China's Hebei Province, April 14, 2016. Qinhuangdao has enforced the protection of wetland along seaside in recent years, and tens of thousands of migrant birds fly past here during migration every year. (Xinhua/Yang Shiyao)