Photo shows a view of Tiankeng Difeng (a giant sinkhole and ravine) scenic area in Fengjie County, Chongqing municipality. A couple has lived on a cliff in the area for more than 20 years. As the only residents of Tiankeng Difeng, the couple earns a living by doing sanitation work in the scenic area, as well as through maintenance of a local hydropower station. (Chinanews.com/Chen Chao) |