Bok
12-13-2016, 04:03 AM
Many Martian landscapes contain features that are familiar to ones we find on Earth, like river valleys, cliffs, glaciers and volcanos.
More... (http://www.nasa.gov/image-feature/jpl/pia21216/the-coolest-landscape-on-mars-or-earth)
More... (http://www.nasa.gov/image-feature/jpl/pia21216/the-coolest-landscape-on-mars-or-earth)