Poll by @70010.lens
Without googling or chatgpting ... oldest discovered man-made building in the world is:
Off-Chain Vote
2000 years old
83 VOTE87.4%
5000 years old
6 VOTE6.3%
8000 years old
2 VOTE2.1%
11000 years old
4 VOTE4.2%
Timeline
Sep 29, 2023Proposal created
Sep 29, 2023Proposal vote started
Oct 06, 2023Proposal vote ended
Oct 26, 2023Proposal updated