Evolution of urban forms observed from space Haohui Chen, Yury Kryvasheyeu, Weipan Xu, Yaofu Huang, Jiayi Deng, Siru Ren, Xun Li, Iyad Rahwan and Manuel Cebrian EPJ Data Sci., 10 1 (2021) 27 Published online: 19 May 2021 DOI: 10.1140/epjds/s13688-021-00283-w