Sihai hole township 

Shihaidong township is located in xingwen county, south of sichuan province, because of the county's stone forest and the caves in 17 townships, so it has the reputation of "shihai cave township". Shihai cave township is one of the most well-developed areas in karst. With bamboo sea, dinosaur, hanging coffin and listed as south sichuan four.
The wind tunnel in zhou's hometown is the largest, with more than 200,000 square meters. The entrance of tianquan cave is wide, the hall is tall and spacious, the area is similar to the entrance hall. There are two POTS on the left of the hall. The front hole is called "the spectacle of the stone bud" and the latter is called "shilin emerald". After the entrance, there is a large and bright hall, with an area of 13000 square meters and the name of "tianquan Ming palace". Not far from the back hole, there is a bowl-shaped depression, which is a natural large funnel (a specific geographical phenomenon) with a diameter of 650 meters and a depth of 208 meters. The world records association is the world record for the largest natural funnel in the world.

Mount wang mountain scenic spot 

Differential in the hell wenxin county scenic area is located in yibin city, sichuan province, in 2000 won the title of provincial scenic spot, with state-level scenic spot sihai hole township in 2005 by the United Nations educational, scientific and cultural organization named the world geological park. It is known as the "little bamboo sea", which is characterized by the natural landscape of the karst valley, the waterfall, the karst funnel, the bamboo and the green