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

Very old

Eli hovered in the vast chamber, adjusting his camera angle to take it all in. The stonework was old—very old. There were no seams of metal, no bolts or beams. Just interlocking blocks of pale rock, smoothed by time and pressure. Everything felt heavy with history, as if this place had been buried not for decades, but for entire centuries.