A bus cashier counts the notes in an office in Wuhan, capital of central China's Hubei Province, June 14, 2017. As the mobile payment develops, the work for cashiers turned easier than before. Step by step, mobile payment will be applied to about 8,000 buses, 28 stations of five metro lines and many other transportation ways in Wuhan. (Xinhua/Xiao Yijiu)
