Atlantis : A giant city was discovered at the bottom of the sea
Atlantis : One of the most famous and lost cities in history is the ancient abandoned city of Atlantis. Although experts have yet to establish that this city actually existed, experts are waiting to discover hundreds of other undiscovered cities.
While some are ancient underwater settlements, others are dismissed as random, disjointed constructions. However, many of these sites are worth revisiting, as they contain very interesting clues and were built by technologically advanced societies.
While there are no fragments of the Lost City of Atlantis, it is said to have been built by the same people who built Atlantis. Plato said that the Atlanteans are the wisest humans on the planet.
It may be related to the concept of ancient colonists, which claims that an ancient species landed in alien space to share its technology with humans in return for continued dalliance.
They enslaved us effectively and soundly, and also allowed us to reach greater heights by exchanging what they had. In this way you all can understand hundreds of things which may be very difficult for an ancient society to understand.
Read more about other sources : Ancient City Near Tigris River Emerges After Being Submerged for Decades