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

Reclaimed by nature

Eli moved to a third space, descending a few meters through a sloped passage. It led to a circular chamber, domed and simple. The floor had buckled inward slightly, and through a crack in the wall he could see sand pouring in slowly, as if the ocean outside was reclaiming its space inch by inch. This place wasn’t going to last forever.