Chengdu Metro Line 9 is located in Chengdu, Sichuan and forms an extension to the existing Chengdu Metro system. The line officially opened on 18 December 2020.
Chengdu is the capital city of the Chinese province of Sichuan. With a population of 20,937,757 at the 2020 census, it is the country's fourth most populous city and the only city with a population of
雪山下的成都市天际线 Chengdu skyline with snow capped mountains