
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.

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.

These skyscrapers clean the air —
The London-based architects group Chetwoods say the towers will become a landmark environmental project.

These skyscrapers clean the air —
The towers will glow in vibrant pink, as a nod to the fuchsia flower.

These skyscrapers clean the air —
Building is due to start in 2016 -- and the aim is for people to "have their breath taken away."

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.