red algae of Cano Cristales called the "River of Five Colors" or the "Liquid Rainbow", Serrania de la Macarena, La Macarena, Colombia, South America Stock Photo - Alamy
Woman Walks on the Big Red River Where the Las Gachas River Passes, in Which the Water Drills Large Holes Editorial Image - Image of panoramic, mountains: 185570150
Colombia Has a Rainbow River Called Caño Cristales
Caño Cristales - Colombia's Rainbow River - The Travelling Triplet
Colombia's river of five colours - BBC Travel
Red river Cano Cristales, Colombia - Landscape & Travel - Sony Alpha Forum