December 2, 2012 14:53
Caño Cristales (Cano Cristales — Crystal River) or the river of five colors, as the locals call it, originates in the south of the mountain chain Macarena, Colombia, and flows eastward to its confluence with the river Guayabero. The water is so clear that the bottom can be seen even at a decent depth, but the fish is not here because of the unique characteristics of the channel. In the box Caño Cristales found five colors: yellow, blue, green, black and red. All of them are waste product of many algae and, depending on the season, their saturation or weakened or strengthened.
The summer sun dries the plant called Macarenia Clavijera, and the river becomes a rich red color. Yellow, black, turquoise and green color also appears through various algae. As the riot of color is in the hot season, the river is open for tourists from June to November. Winter and spring to get at the crystal river can not — status of the natural heritage of humanity by UNESCO requires special measures and safety of its basin.