![](http://www.ecns.cn/hd/2022/07/08/60bdf3e3603241e291d6b17f2d23fe80.jpg)
Scenery of Taigu kast cave illuminated by color lights in Youyang Tujia and Miao Autonomous County, southwest China's Chongqing, July 6, 2022. (Photo: China News Service/Qiu Hongbin)
The cave is about 3,000 meter long, featuring different types of stalactites and stalagmites.
![](http://www.ecns.cn/hd/2022/07/08/36f54aa4164e4c8493156e4fe130ce04.jpg)
Scenery of Taigu kast cave illuminated by color lights in Youyang Tujia and Miao Autonomous County, southwest China's Chongqing, July 6, 2022. (Photo: China News Service/Qiu Hongbin)
![](http://www.ecns.cn/hd/2022/07/08/14244cc14d64414ea972eae7c3c825d9.jpg)
Scenery of Taigu kast cave illuminated by color lights in Youyang Tujia and Miao Autonomous County, southwest China's Chongqing, July 6, 2022. (Photo: China News Service/Qiu Hongbin)
![](http://www.ecns.cn/hd/2022/07/08/56db713af555438c929a565930801393.jpg)
Scenery of Taigu kast cave illuminated by color lights in Youyang Tujia and Miao Autonomous County, southwest China's Chongqing, July 6, 2022. (Photo: China News Service/Qiu Hongbin)
![](http://www.ecns.cn/hd/2022/07/08/c6274371f9734cc8a03a83b5575ca2ad.jpg)
Scenery of Taigu kast cave illuminated by color lights in Youyang Tujia and Miao Autonomous County, southwest China's Chongqing, July 6, 2022. (Photo: China News Service/Qiu Hongbin)