Diver Finds Structure on Ocean Floor — Then Finds Out Why It’s There

Finding objects

The corridor opened into a second room, this one more cramped, with stone benches fixed into the walls. Across from them sat a long flat slab with grooves cut into its surface—worktable? Ritual site? Eli couldn’t decide. At the far corner, he discovered an overturned container carved from a single block of stone, its lid broken so he could look inside.