Volunteer Tian Zhiwei (1st R) removes illegal bird trap nets in Laoting County, north China's Hebei Province, Sept. 3, 2017. Tian, 49, began his volunteer work for wild birds rescue and rehab in 2004. He set up the first wild bird sanctuary in Tangshan in 2012 and has helped more than 1,000 birds in the past ten plus years.(Xinhua/Yang Shiyao)
