Repeated theme-patterns in outside floor sculptured. The use of telling the viewer that the martians lost almost all of their creatures in extreme antiquity. When the Martians lost their atmosphere and the surface of their planet was forever changed for the worse! Then in my opinion forced underground!
Please pay close attention to the small yellow rectangle! and how it
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!