An area of Mexico has some conditions similar to those on Mars

In Cuatro Cienegas Coahuila, sedimentary structures of organisms resistant to extreme environments would develop in an environment similar to that of Mars.

An area of Mexico has some conditions similar to those on Mars
Certain conditions in an area of Mexico are similar to those on Mars. Photo: National Natural Reserve "Cuatro Ciénegas" at the Coahuila state of Mexico via Flickr