Ancient Stone Art on Mars (Mars Rover Curiosity) Oct 13, 2013

A series of remarkable stone structures on Mars.
Rocks or ancient stone art work?
Optical illusion 'pareidolia' or creative stone art made by ancient civilizations?

Mars Rover Curiosity
SOL 416
SOL 417
Link Images:
http://mars.jpl.nasa.gov/msl/multimedia/raw/?s=50#/?slide=416
http://mars.jpl.nasa.gov/msl/multimedia/raw/?s=50#/?slide=417

 Please, decide for yourself..