A farmer works at fields in suburb area of Sanya City, south China's Hainan Province, Feb. 5, 2017. (Xinhua/Guo Cheng)
A farmer works at fields in Yacheng Town of Sanya City, south China's Hainan Province, Feb. 7, 2017. (Xinhua/Guo Cheng)
Farmers work at fields in Yacheng Town of Sanya City, south China's Hainan Province, Feb. 7, 2017. (Xinhua/Guo Cheng)
Farmers work at fields in Yacheng Town of Sanya City, south China's Hainan Province, Feb. 7, 2017. (Xinhua/Guo Cheng)