Just six months ago, the residents of a city in China saw the sky turn blood red, much like the Wulanwusu River. Why do the two rivers not mix? The Quaidam River is icy blue coming from the nearby ...

A river in Nago City, Japan, turned blood red following a leak from a beer factory ... In 2012, reports emerged that the Jian River in Luoyang, China, had turned into a "river of blood" as a ...