the belum caves is the largest and longest cave system in the indian subcontinent known for its speleothems

arch art belum canyon cave caves caving cliff formation geology indian its known largest longest painting rock soil speleothems stalagmite subcontinent system temple terrain tree trunk wadi wall wood andhra pradesh tunnel history park antique asia mountain structure historic stone grunge earth brown closeup color dark design dirty material metal natural nature old pattern red retro rough rusty sand steel surface texture textured vintage wallpaper