Farmers spray pesticide in a field at Dongtan village, Rongcheng city of East China’s Shandong province, March 29, 2018. [Photo/Xinhua]

Farmers spray pesticide in a field in Tengjia town, Rongcheng city of East China’s Shandong province, March 29, 2018. [Photo/Xinhua]

A farmer sprays pesticide in a field in Tengjia town, Rongcheng city of East China’s Shandong province, March 29, 2018. [Photo/Xinhua]