Borra caves- Araku Valley, Vizag ~ eNidhi India

the perennial water falls millions of years resulted in the foramtion of caves. The water percolating from the roof of the cave calcium bio- carbonate and other minerals form mounds on the cave grounded called "stalagmites" and speaker like structure hangig from the roof called "stalagcites". The total lenght of the borra caves is about 200mts and the dandakaranya-bolangir-kibur train track passes over the caves. the local hill tracts are inhabitaed by the jatapu, porja, kondadora, nookadora etc. tribals. Indian antropologist have also found stone tools of middle paleolithic age dating back to 30000 to 50000 years including human habitations in the caves.