Worldwide cave systems that both.e manufactured and natural, discovered prior to the trip to Eden, as a potential alternative to surface life. Strange wildlife and other dangers make this place deadly.
A large, bustling city where the clones make their homes in a dense, high-rise setup. Within, there are residential and commercial districts, as well as the industrial side of Eden. It's not uncommon to see aristocrats here, usually under protection.
It's a warehouse that helps manage shipments of rations to Earth by day; but a meeting-place for anti-clone members at night. this gives them an edge, though they don't have access to anyone coming in from Earth, they do have information on when infants arrive.