Tourists visit the Jiayu Pass scenic area in Jiayuguan City, northwest China's Gansu Province, Dec. 12, 2023.

The ancient Silk Road in Gansu section is home to many world heritage sites, including Mogao Grottoes and Jiayu Pass. With better tourism policies and winter landscapes, the Silk Road tour has become a hit among tourists. (Xinhua/Lang Bingbing)