Caves and Caverns
Natural underground voids, usually large enough for an adult human to enter.
Sigiriya (Lion's rock) is an ancient rock fortress and ruins of a castle. It was used as a rock-shelter mountain monastery in ancient times, and the garden and palace were built by King Kashyapa in the fifth century A.D.top
The limestone forming Batu Caves is said to be around 400 million years old. Some of the cave entrances were used as shelters by the indigenous Temuan people. Of the various cave temples that comprise the site, the largest and best known is the Temple Cave.top