An employee of Didi Kuaidi shows a senior citizen how to book a car by using the touch screen device at one of the many Didi stations installed by the company in Shanghai neighborhoods, Oct 15, 2015. (Photo/Xinhua)
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An employee of Didi Kuaidi shows a senior citizen how to book a car by using the touch screen device at one of the many Didi stations installed by the company in Shanghai neighborhoods, Oct 15, 2015. (Photo/Xinhua)
