WORLDKINGS - Worldkings News - Asia Records Institute (ASRI) Line 10 Beijing Subway: World's longest subway loop line
09-01-2023
(WorldKings.org) The line is 57.1 km in length and is the world's longest subway loop line.
09-01-2023
(WorldKings.org) The line is 57.1 km in length and is the world's longest subway loop line.