The world 's next tallest building is being built in Phoenix , and the one towers will clean the air around them . The Phoenix project has been designed by China -based architects Chetwoods , building will begin two years . The buildings will do the same with the water , tantamount to `` putting air back into the water like in a typical fish tank ... . Chetwoods chairman tells Chetwoods he wanted the project to be more than an architectural statement .
The world 's next tallest building is being built in Phoenix , and the one towers will clean the air around them . The Phoenix project has been designed by China -based architects Chetwoods , building will begin two years . Chetwoods chairman tells Chetwoods he wanted the project to be more than an architectural statement .