Introduction to Xianweng Cave: Located in the northwest of Zhuozhai (HANGTRAI) Island, the cave door is 50 meters wide, 10 meters high, 4 to 5 meters above sea level, and covers an area of more than 1,000 square meters. There are still many freshwater snail shells eaten by prehistoric people at the bottom of the cave. It is the largest preserved place of prehistoric freshwater snail shells found in Vietnam, and its volume can reach hundreds of cubic meters.
Attraction