org/licenses/by-sa/4.0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English Nanjing Metro System Map（Version 2021） Chinese 南京地铁线路图（2021.12.28版）...
DescriptionNanjing Metro 2022 Plan.svg English: A metro map detailing the future plans of the Nanjing Metro system, up to 2022 Date 19 January 2017 Source...
