Notice how Martians love to morph "shoes" "fingers and fingernails"!
Nasa url at appointed category ! More info there !
Original explanation posted in category (Similar Styles) meaning similar styles on earth such as Machu Picchu Peru etc.
There is a method of strengthening the seems by a fabric mesh in this
I enjoy finding out new things about mars. Especially photos that tell stories! Which so many seem related to mars loosing it's atmosphere in extreme ancient times!