Actresses perform a folk dance at the China-Arab States Tour Operators Conference 2019 in Yinchuan, northwest China's Ningxia Hui Autonomous Region, Sept. 4, 2019. The four-day China-Arab States Tour Operators Conference 2019 was opened here on Sept. 4, focusing on the future development of tourism along the Belt and Road through promotional events, project signings and tour routes explorations, according to Ningxia's department of culture and tourism. (Xinhua/Li Mangmang)