We retrieved hot spots of human activities from Baidu for ten Chinese cities on AM10:00, June 20, 2014. Equipped with big data, the gallery enables us sensing urban structure and activities of each city in the same spatial scale at the same time. 




By BCL members WANG Peng (data/mapping), LI Miaoyi (data/mapping), LONG Ying (scheme), TU Yichun (image processing)