Residents of the area claim the phenomenon has never happened before, and the colour change was not caused by an industrial contamination. The river is located in Xinmeizhou village, Cangnan County in eastern China’s Zhejiang province.
A local told the DailyExpress that, the water looked normal at 4 am, “but then suddenly, within the space of a few minutes, the water started turning darker and eventually was completely red.”
See another pic after the break.