A book-lending machine installed on a bus in Urumqi City, the capital of Northwest China’s Xinjiang Uygur Autonomous Region, Sept. 13, 2017. After registration, passengers can scan the QR code with their mobile phone to unlock the machine and borrow a book for free. Ten book-lending machines, which hold 30 books each, will be installed on more buses. (Photo: China News Service/Liu Xin)
