Tianfu International Airport is the new airport of Chengdu. The standing seam roof design of 250.000 sqm will lead the construction to become the third largest airport hub in China, after Beijing and Shanghai. Tianfu will have a capacity to handle between 80 and 100 million passengers per year. The building design is done by China Southwest Architectural Design and Research Institute, China Airport Construction Group Corporation and French architecture firm ADPI. It features two terminal buildings in the shape of the mythical Sunbird, used as a logo for the city of Chengdu.