These tunnels were dug by a Giant Ground Sloth that lived 10.000 years ago in Brazil. The third photo are the claw marks. https://t.co/6d3QN4AEE1 https://pbs.twimg.com/media/GZAq8bEXQAAk4d1.jpg https://pbs.twimg.com/media/GZAq8qBWUAA7Pyp.jpg https://pbs.twimg.com/media/GZAq82WXUAAOIGl.jpg https://pbs.twimg.com/media/GZAq9DsWkAAJ7Wa.jpg