Massive underwater structure 180 km off coast of AntarcticaMay 20, 2021
A huge underwater structure 180 km of coast of Antarctica shows among other objects, huge walls.
Suppose, this enormous structure are the remains of a huge ancient settlement or base that is now submerged under water, then who built it thousands of years ago?
Coordinates: 63°59'56.79"S 118°43'44.48"E
Special thanks to Frederick Johnson
Thanks to: http://ufosightingshotspot.blogspot.com