Belum Caves: A beautiful piece of architecture
Belum Caves is the second largest cave in Indian sub-continent and the longest caves in plains of Indian Subcontinent. It lies in Kurnool district of Andhra Pradesh. Belum Cave is 3.5 km in length and the second longest cave in India next to 21km long Krem Um Lawan cave in Meghalaya. Belum Caves derives its name from "Bilum" Sanskrit word for caves.