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?Beijing, capital of China
Passengers wait for the train at a metro station in Beijing, capital of China, Aug. 14, 2017. Passengers can simply swipe their phones to board all of Beijing's subway lines starting Monday, local authorities said. According to Beijing Subway, riders with compatible phone models may download an app to take the subway and recharge their e-tickets online. Currently, the e-tickets are limited to around 160 Android phone models with near field communication (NFC) function. (Xinhua/Du Jianpo)
(Source: Xinhua)
