Name: What are all these blue roofs in different areas of the world? - BNN - Brandenburg News Network
Uploaded: Aug. 30, 2023, 1:49 p.m.
Duration: T171S
Description: What are all these structures with blue roofs? Is it just a fad?

What are all these blue roofs in different areas of the world?

Published Aug. 30, 2023, 1:49 p.m.

What are all these structures with blue roofs? Is it just a fad?