Luobi Cave Luobi Cave Luobi Cave () is a karst cave under the west face of Yin Ridge (印岭) located north east of Lizhigou Town (荔枝沟镇), from Sanya City, Hainan Province, People's Republic of China. The entrance to the cave is approximately high and wide. Inside the apex reaches a height of with a floor area of about Two large stalactites hang down from the roof like large pens, hence the cave's name. A number of inscriptions carved into the walls of the cave are believed to date to the Yuan Dynasty (1271–1368). One of these refers to the precise date of
Pete's Paradise Cave is possible to crawl through a tight hole for eight metres to come out at what was called "Pearl's Chamber" because of the presence of "Cave pearls". These are formed around grains of sand and they become coated with calcium carbonate which can grow in time to be 3 cm in diameter. A moving body of water is required to keep these pearls turning whilst they form. The last, and described as the best, chamber is the "Hall of Pillars". This chamber contains another perfect rimstone. This is one of three in this cave and only one of three in