Residents of Chinese city Chongqing got a great surprise yesterday, after they looked out at the Yangtze River. The river, which usually has a light-brown hue, became red-orange and officials have no idea why! There was the same phenomenon here. Watch the video
Larger image. Image screen capture from video
Yangtze River is the longest and largest river in China and the third longest river in the world.
The second half of the video onward is all footage of the river.