The lost city shows the remains not of an ancient people, but of an ancient leak, as gas seeped in through subsurface faults. And it turns out that the structures have a perfectly natural origin story — no humans required. (University of Athens)When tourists snorkeling near the Greek isle of Zakynthos first spotted mysterious structures about 20 feet under the sea, they thought they might have stumbled upon a lost city. Read More:Microbes shape our world – and a new White House initiative will figure out howDid a teen discover a lost Maya city? The phenomenon isn't uncommon, but structures like these are generally found much deeper, where natural gas is more likely to seep into the water.

Source: Washington Post June 03, 2016 12:06 UTC