The Guangzhou Metro Headquarter and OCC encompasses a 45-story office tower, an operations and command center, a massive shopping center, a bus terminal, and two 34-story office and residential buildings. Perkins Eastman’s international competition-winning design approach incorporated the ideas of contrast, counterbalance, and integrity through use of simple, elegant features that contrast with the surrounding context as well as appropriate technology to support the architecture and minimize impact on the environment. Representing China’s committment to a sustainable future, the integrated sustainable design combines green site strategies and indoor strategies including daylighting, air quality, and thermal comfort.