Rainbow River, The River of Five Colors

A unique biological wonder, Caño Cristales has been referred as the "river of five colors," "the river that ran away from paradise" "the Liquid Rainbow,” and "the world's most beautiful river."

Caño Cristales is a Colombian river located in the Serrania de la Macarena, province of Meta. It’s the algae that produce colors like red, armadillo, yellow, green and blue at the bottom of the river giving it a unique appearance.

Rare Algae bloom turns water near Sydney’s Bondi Beach blood red

The natural phenomenon is caused when algae, a plant-like organism flourishes and large groups of the miniscule plants, which can appear in various colours, gather together often with spectacular results