This photo taken on July 28, 2024 shows the scenery of the Vallorbe Caves in Switzerland. Nestled in the heart of the Jura Mountains in Switzerland, the Vallorbe Caves are well-known for the magnificent limestone caves formed over thousands of years. (Xinhua/Lian Yi)
People visit the Vallorbe Caves in Switzerland, July 28, 2024. Nestled in the heart of the Jura Mountains in Switzerland, the Vallorbe Caves are well-known for the magnificent limestone caves formed over thousands of years. (Xinhua/Lian Yi)
This photo taken on July 28, 2024 shows the scenery of the Vallorbe Caves in Switzerland. Nestled in the heart of the Jura Mountains in Switzerland, the Vallorbe Caves are well-known for the magnificent limestone caves formed over thousands of years. (Xinhua/Lian Yi)
People visit the Vallorbe Caves in Switzerland, July 28, 2024. Nestled in the heart of the Jura Mountains in Switzerland, the Vallorbe Caves are well-known for the magnificent limestone caves formed over thousands of years. (Xinhua/Lian Yi)
People visit the Vallorbe Caves in Switzerland, July 28, 2024. Nestled in the heart of the Jura Mountains in Switzerland, the Vallorbe Caves are well-known for the magnificent limestone caves formed over thousands of years. (Xinhua/Lian Yi)
This photo taken on July 28, 2024 shows the scenery of the Vallorbe Caves in Switzerland. Nestled in the heart of the Jura Mountains in Switzerland, the Vallorbe Caves are well-known for the magnificent limestone caves formed over thousands of years. (Xinhua/Lian Yi)
People visit the display "Fairies' Treasure" where more than 250 mineral samples from all over the world are exhibited at the Vallorbe Caves in Switzerland, July 28, 2024. Nestled in the heart of the Jura Mountains in Switzerland, the Vallorbe Caves are well-known for the magnificent limestone caves formed over thousands of years. (Xinhua/Lian Yi)
People visit the display "Fairies' Treasure" where more than 250 mineral samples from all over the world are exhibited at the Vallorbe Caves in Switzerland, July 28, 2024. Nestled in the heart of the Jura Mountains in Switzerland, the Vallorbe Caves are well-known for the magnificent limestone caves formed over thousands of years. (Xinhua/Lian Yi)
People visit the Vallorbe Caves in Switzerland, July 28, 2024. Nestled in the heart of the Jura Mountains in Switzerland, the Vallorbe Caves are well-known for the magnificent limestone caves formed over thousands of years. (Xinhua/Lian Yi)
