The Silk Road of Innovation: How Shanghai and Neighboring Cities Are Building the World's Next Great Megalopolis 1. The Economic Architecture- GDP breakdown: Shanghai: ¥4.72 trillion (2024) Suzhou: ¥2.4 trillion Hangzhou: ¥1.87 trillion Nantong: ¥1.15 trillion- Specialized industrial clusters: Zhangjiang Science City (biotech) Suzhou Industria