16 My Guess. Old World Concrete (media.conspiracies.win) posted 1 year ago by Questionable 1 year ago by Questionable +17 / -1 58 comments download share 58 comments share download save hide report block hide replies
SS: The tour guide in this video (https://www.youtube.com/watch?v=R140jDNA2Q4) says it's 2k years old and they don't know how it was placed. I'd say it's much older.
A lot of the times when they say someone built something like this. They really mean that person did heavy renovations and claimed it was theirs