DavidTrainMic 14 - Line by Line in Brief: Beijing Subway 2022 (Lines with Numerals)

The Beijing Subway is a genuine Brobdingnagian Monstrosity with close to 30 lines at a mere glance. Today, here's a look at all the lines with NUMERALS in it... because a fair number more have NAMES! (We haven't even done the trams and maglev yet!)