A technicist debugs the intelligent control system of China's first intelligent high-speed test train produced by CSR Qingdao Sifang Co., Ltd in Qingdao, a coastal city in East China's Shandong province, June 27, 2013. The test train, with China Railway High-Speed (CRH) 380A train as its technical platform, is China's first large transport vehicle applied with the Internet of Things technology and sensor networks technology, through which passengers could enjoy modern information services like e-ticket and Wi-Fi.[Photo/Xinhua]