These skyscrapers clean the air — At more than one kilometer high, the Phoenix Towers in Wuhan will be the world's tallest building when they are complete. Courtesy: Chetwoods These skyscrapers clean the air — The inspiration for the towers has come from Chinese culture, drawing on its use of the phoenix as a metaphor. Courtesy: Chetwoods These skyscrapers clean the air — The London-based architects group Chetwoods say the towers will become a landmark environmental project. Courtesy: Chetwoods These skyscrapers clean the air — The towers will glow in vibrant pink, as a nod to the fuchsia flower. Courtesy: Chetwoods These skyscrapers clean the air — Building is due to start in 2016 -- and the aim is for people to "have their breath taken away." Courtesy: Chetwoods These skyscrapers clean the air — The chimney, heated by the sun, will draw air from across the lakes and use it to cool the buildings. Courtesy: Chetwoods Prev Next
