[Paladin2]

-3500 ft.?

Not bloody likely.

[blitz128]

I’m not saying it’s aliens but it 👽😂

Because if I can from light years away I would build deep shafts and rooms and top them off with a nice big pyramid 😎

[miliantnutcase]

Wait until you hear about underground city of Derinkuyu. It was built by removing 5 million cubic feet of rock. Where the rock go? That would be 3 football stadiums worth.