2025-06-05 00:21 | 0 阅读 Vertical Metropolis: How Shanghai is Reinventing Urban Density Section 1: The New Vertical Geography1. Skyline Economics:- 48% increase in mixed-use supertalls since 2020- Case Study: Xuhui Riverside "Vertical Forest" complex- Floor area ratio innovations2. Underground Expansion:• 300km of new subterranean c