votive stupa at cave no. 20 with rock-cut at bhaja caves, ancient buddhist built in 2nd century bc, during the hinayana phase of

votive stupa cave bhaja caves pune maharashtra india ancient old buddhist historic tourism history rock architecture travel famous stone historical archeology religion heritage nature sculpture landmark buddha temple culture buddhism asia religious prehistoric civilization indian art carved geology attraction rockcut shrines hinayana carvings lonavala rock-cut built 2nd century phase