Currently reading : the cristal pipe
In Ovid’s Metamorphoses, Acis was the son of the god Pan. He was loved by the nereid Galatea, what the cyclop Polyphemus couldn’t endure. Eaten up by jealousy, he killed Acis with a boulder. However, to allow his spirit to survive, Galatea turned his blood into a river.
This river could have been the Caño Cristales (literally, the cristal pipe) a Colombian river which red algae brought it to be nicknamed the river that ran away to paradise.