An aerial drone photo shows tourists visiting the Grand Tang Mall in Xi'an, northwest China's Shaanxi Province, Feb. 2, 2024. As the provincial capital of northwest China's Shaanxi Province, Xi'an, with a history of over 3,100 years, has served as the capital city for 13 dynasties of China. Under the policies of protection and utilization of cultural relics, the historical and cultural resources of Xi'an have been well preserved. (Xinhua/Shao Rui)

Tourists admire blossoms and pose for photos in the Giant Wild Goose Pagoda scenic area in Xi'an, northwest China's Shaanxi Province, April 8, 2024. As the provincial capital of northwest China's Shaanxi Province, Xi'an, with a history of over 3,100 years, has served as the capital city for 13 dynasties of China. Under the policies of protection and utilization of cultural relics, the historical and cultural resources of Xi'an have been well preserved. (Xinhua/Zou Jingyi)

This photo shows the Yongning Gate in Xi'an, northwest China's Shaanxi Province, April 25, 2023. As the provincial capital of northwest China's Shaanxi Province, Xi'an, with a history of over 3,100 years, has served as the capital city for 13 dynasties of China. Under the policies of protection and utilization of cultural relics, the historical and cultural resources of Xi'an have been well preserved. (Xinhua/Liu Xiao)

A drone photo shows tourists at the foot of the Giant Wild Goose Pagoda in Xi'an, northwest China's Shaanxi Province, April 10, 2024. As the provincial capital of northwest China's Shaanxi Province, Xi'an, with a history of over 3,100 years, has served as the capital city for 13 dynasties of China. Under the policies of protection and utilization of cultural relics, the historical and cultural resources of Xi'an have been well preserved. (Xinhua/Zou Jingyi)