Famed ‘Sponge Cities’ Chinese Architect Dead in Brazil Plane Crash

File image of Yu Kongjian, dean of the College of Architecture and Landscape of Peking University, who died in a plane crash in Brazil on September 24, 2025.

Chinese landscape architect Yu Kongjian, known for his so-called nature-mimicking “sponge cities,” has died in a small plane crash in Brazil with two filmmakers documenting his work, police said Wednesday.

The 62-year-old was considered a leading figure in sustainable urban planning; his “sponge cities” replace concrete surfaces with natural features that better absorb water in flood situations.

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