The layer is all that is left of the past civilization.
Squashed flat by time and rock. If they remove the layers above they will see a grid pattern of a city.... : )
The layer is all that is left of the past civilization. Squashed flat by time and rock. If they remove the layers above they will see a grid pattern of a city.... : )
They weren't "civilized" unless they had indoor plumbing! :)
4 posted on 08/31/2016 4:39:15 PM PDT by the_Watchman