[HIGHLIGHTS] Focus - Living like on Mars: in Spain, the Rio Tinto river is a scientists' paradise

Focus - Living like on Mars: in Spain, the Rio Tinto river is a scientists' paradise. We take you to the Río Tinto, the “red river”, in Andalusia.

Its purple, burgundy, sometimes yellow or blue colors are caused by the large quantities of iron dissolved in the water. Acidity and conditions that make it comparable to the environment of the planet Mars. To study it, astrobiologists from around the world, even from NASA, go there.