Shuanghe Cave in China's Guizhou officially world's third longest

STORY: Shuanghe Cave in China's Guizhou officially world's third longest DATELINE: Sept. 29, 2023 LENGTH: 00:01:14 LOCATION: GUIZHOU, China CATEGORY: SOCIETY SHOTLIST: 1. various of Guizhou's mountains and caves 2. SOUNDBITE (English): JEAN BOTTAZZI, French caver in China 3. various of Shuanghe Cave STORYLINE: Asia's longest cave, Shuanghe Cave in China's Guizhou, has been found to be 409.9 km long and 912 meters deep. This has made the cave the third longest in the world. Shuanghe Cave has been dubbed a "karst natural cave museum." This year's cave expedition was conducted by the provincial mountain resources institute, the provincial cave association, and over 30 researchers and explorers from China, France, Italy, and Belgium. SOUNDBITE (English): JEAN BOTTAZZI, French caver in China "The exploration is an ongoing process. And every time we discover something new is a little more than the day before. There is here some value that are difficult to find in other place in the world. " The cave expedit