4 new subway lines open in Guangzhou

Performers play the musical instruments on a subway train to celerate the opening of new subway lines in Guangzhou, capital of south China's Guangdong Province, Dec. 28, 2017. Four new subway lines opened in Guangzhou on Thursday. Guangzhou now has 13 subway lines in all, covering a total length of 390.6 km. (Xinhua/Wu Lu)