A rainbow is seen at the Hukou Waterfall scenic spot on the Yellow River, which is located on the border area between north China's Shanxi and northwest China's Shaanxi provinces, March 22, 2018. China's rapid growth in domestic tourism continued in 2018 when the country recorded a total of 5.54 billion domestic tourist trips, up 10.76 percent year-on-year, the Ministry of Culture and Tourism announced on Jan. 30, 2019. Domestic traveling brought a total of 5.13 trillion yuan (764 billion U.S. dollars) in revenue to the tourism sector last year, registering a 12.3 percent increase compared with 2017, according to the ministry at a press conference. (Xinhua/Cao Yang)