4 new subway lines open in Guangzhou

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)