Photo taken on Oct. 21, 2017 shows desert poplars by the riverside downstream of Tarim River, northwest China's Xinjiang Uygur Autonomous Region. China's westernmost Xinjiang Uygur Autonomous Region welcomed a record high of 107 million tourists in 2017, up 32.4 percent year on year. In addition, tourists spent over 182 billion yuan (28.4 billion U.S. dollars) in Xinjiang last year, 30 percent more than in 2016. (Xinhua/Zhao Ge)