3 ms·
9000-year-old 'Stonehenge-like' structure found hidden in Lake Michigan
- gnabgib 1y agoDiscussions: (89 points, 7 months ago, 44 comments) https://news.ycombinator.com/item?id=41792046 https://news.ycombinator.com/item?id=41792046 (252 points, 2020, 77 comments) https://news.ycombinator.com/item?id=25478693 https://news.ycombinator.com/item?id=25478693