中国国际广播电台：Meet the Great Green Wall of China

China has been battling large-scale desertification since at least the 1950s. In a big move to address the problem, in 1978, the Chinese government implemented the ”Great Green Wall of China” Project, a national ecological engineering effort that is considered to be the biggest tree planting project in human history.

原文地址：http://chinaplus.cri.cn/video/China/2410/20190715/316602.html