kottke.org on Nostr: Using lidar, scientists discovered a 400-foot-long wall composed of “60 massive ...

Using lidar, scientists discovered a 400-foot-long wall composed of “60 massive granite monoliths, set directly onto the bedrock in pairs at regular intervals”. The wall is 30 feet underwater and was built 7000+ years ago. https://bigthink.com/strange-maps/submarine-wall/