REUTERS / David Gray / Stringer / China Newsphoto / Jianan Yu / China Daily / Carlos Barria / Aly Song
thousands of dead pigs dumped in Shanghai river
A boy swims in the algae-filled coastline of Qingdao, Shandong province
Two illegal chemical plants that were discharging their production waste water into the rain sewer pipes allegedly caused the Jianhe River in Luoyang, Henan province to turn red in December 2011
