Photo taken on March 23, 2019 shows the Xinfeng River near the site of an explosion at a chemical industrial park in Xiangshui County of Yancheng, east China's Jiangsu Province. Dams were built to prevent polluted water from the chemical plant from flowing into the rivers. The death toll from the explosion has risen to 64 as of 7 a.m. Saturday, authorities said. (Xinhua/Li Bo)