Aerial photo taken on July 15, 2017 shows a truck running on the Beijing-Urumqi Expressway in Hami, northwest China's Xinjiang Uygur Autonomous Region. As an important link of the Silk Road Economic Belt, Xinjiang is speeding up the development of transportation and logistics to connect east and west. By the end of 2017, the total length of roads in Xinjiang reached 186,000 km, with 4,578 km of expressways. (Xinhua/Cai Zengle)
