What are these large circular buildings? (Image attached) : r/whatisthisthing

7 iconic circular buildings around the world

Strange building in a field with excessive structural supports and large concrete emplacements : r/whatisthisthing

7 Most Amazing Buildings Of The World

7 Most Amazing Buildings Of The World

Circular buildings hi-res stock photography and images - Alamy

7 Most Amazing Buildings Of The World

30 Times People Asked What Is This Thing? And The Internet Delivered

Circular buildings

Three circular (10+ft in diameter) objects with hot and cold water outputs in each of the “seats”? : r/whatisthisthing

Circular building hi-res stock photography and images - Alamy

Circular building hi-res stock photography and images - Alamy