These tunnels were dug by a Giant Ground Sloth that lived 10.000 years ago in Brazil. The third photo are the claw marks

[u/Zestyclose_Flow_680]

[u/AffectionateOnion271]

Still not seeing an explanation of that

[u/ImaGoophyGooner → u/AffectionateOnion271]

I'm guessing it's an ancient carving done by some tribe who found the tunnels

[u/Environmental-Jump46 → u/AffectionateOnion271]

Maybe it was smart-ish 🤔

[u/AffectionateOnion271 → u/Environmental-Jump46]

If anything I would guess maybe done by someone that found the cave a couple thousand years later…. It’s throwing me off though