A student from Huchangbao Primary School heads to a tree house through a wire rope in Longcanggou National Forest Park in Yingjing County, southwest China's Sichuan Province, Jan. 13, 2021. Recent years Yingjing County has organized a series of educational activities in Longcanggou National Forest Park to boost local education in natural environment. (Xinhua/Jiang Hongjing)