Valles Marineris by Charles Williams
![](/images/large/vallesmarineris.jpg)
Are there gems and diamonds on Mars?
Prints are available at our CafePress shop.
Have a question or comment about this work? Please contact the artist.
Are there gems and diamonds on Mars?
Prints are available at our CafePress shop.
Have a question or comment about this work? Please contact the artist.