The tourism industry in Zhangye, northwest China's Gansu Province is booming, thanks to the Danxia scenic spot's unique landforms. According to data, the number of tourists to the scenic spot has been increasing sharply in recent years. In 2016, 1.42 million tourists visited the attraction, rising to 1.93 million and 2.32 million in 2017 and 2018, respectively. The average annual growth rate is higher than 30 percent.