A tourist pays for a zip tour with Alipay in Johannesburg, South Africa, Aug. 30, 2017. In recent years, a number of China's technological innovations have been making their moves in the world. Among them, Dockless Shared Bicycles, High-speed Rail, Alipay and E-commerce stand out with a reputation of China's "four great new inventions" in modern times, which have made the daily life of the public more and more convenient. (Xinhua)