Line 4 (Kunming Metro)
Line 4 is a rapid transit line on the Kunming Metro, serving the city of Kunming, China. The line has a total length of and 29 stations. It was opened on 23 September 2020.
Line 4 is a rapid transit line on the Kunming Metro, serving the city of Kunming, China. The line has a total length of and 29 stations. It was opened on 23 September 2020.