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

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