A sound and light show is seen at the Cave of Han in Han-sur-Lesse, Wallonia, Belgium, on Sept. 4, 2021. As an important tourist destination famous for its geological scenery in Wallonia, the Cave of Han has been visited by over 23 million tourists. (Xinhua/Zheng Huansong)
Scenery of Cave of Han in Belgium
Source: Xinhua| 2021-09-05 08:02:17|Editor: huaxia