Fig. 4: Urban collective memory map.
Source: author. a Map of collective memory in the Nanjing metropolitan area. b Enlarged map of collective memory in the Nanjing main urban area.
Fig. 4: Urban collective memory map. | npj Heritage Science
Source: author. a Map of collective memory in the Nanjing metropolitan area. b Enlarged map of collective memory in the Nanjing main urban area.
