Passengers take a subway train 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)
A mother takes care of her baby at the baby care room of Huadu Moter City Subway Station 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)
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)
A passenger scans a QR code of mobile payment to take subway at the Huadu Moter City Subway Station 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)
Passengers walk through the exit of the Huadu Moter City Subway Station 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)
A passenger scans a QR code of mobile payment at the exit of the Huadu Moter City Subway Station 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)
A staff member (R) directs passengers to enter the Huadu Square Subway Station 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)
