The Yangtze Delta Megacity Cluster: How Shanghai and Neighboring Cities Are Creating the World's Most Advanced Urban Ecosystem

PART I: THE 1+8 URBAN NETWORK1.1 Economic Integration:- Combined GDP of ¥38.7 trillion (equivalent to Germany's economy)- 53 cross-city industrial parks established since 2020- 61% of Fortune 500 companies have regional HQs in Shanghai1.2 Transpor