asymmetrical Urbanity

A pair of asymmetrical towers creates a dramatic skyline in front of the park. Ridges and valleys define the shape of the exterior glass facade, as if the natural forces of erosion wore down the tower into a few thin lines. Flowing down the facade, the lines emphasize the smoothness of the towers and its verticality.The internal ventilation and filtration...http://www.evolo.us/architecture/beijings-chaoyang-park-plaza-is-an-urban-play-of-ridges-and-valleys/