Farmers cover the crop plants with plastic films in a field in Yongzhong Village of Mianzhu City, southwest China's Sichuan Province, Feb. 19, 2017. Spring returns to the land as temperature rises in recent days. (Xinghua/Wang Ping)
Farmers cover the crop plants with plastic films in a field in Yongzhong Village of Mianzhu City, southwest China's Sichuan Province, Feb. 19, 2017. Spring returns to the land as temperature rises in recent days. (Xinghua/Wang Ping)