CHECK OUT my blog for an overview of the parametric processes that are being used to design and develop the Hangzhou Stadium by NBBJ and CCDI. Grasshopper was used to create the parametric model. Location: Hangzhou, The People's Republic of China Client: Hangzhou Olympic & International Expo Centre Construction and Investment Co. Ltd. International Architect: NBBJ Local Architect: CCDI Program: 80,000 seat stadium, tennis tournament + practice facility (23 courts), cultural center, retail + commercial center