Villagers convey materials for upgrading power grid in the Yesankou area of Liziping Village in Jianshi County of Enshi Tujia and Miao Autonomous Prefecture, central China's Hubei Province, May 4, 2017. The remote Yesankou area is hidden in a valley and inaccessible due to lack of roads. Villagers here have to convey materials by wooden boat. (Xinhua/Yang Shunpi)
