The Satellite Revolution: How Shanghai's Perimeter Cities Are Reshaping the Yangtze Delta Megaregion

Section 1: The 1+6 Megacity FrameworkRegional Overview:- Official "1 (Shanghai) + 6 (Satellite Cities)" urban cluster plan- Combined GDP of ¥12.8 trillion (2025)- 38 million permanent residents across the zone- 94-minute average commute between ou