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

Theories forming

Eli drifted toward a raised platform at the far end of the chamber. It was rectangular, like an altar or stage, though unmarked. What caught his eye were the worn grooves along its base—multiple straight channels, like something once slid into place there. Tools, maybe? Storage? Or had it served a ceremonial purpose? His mind buzzed with theories, none of them certain.