Based on the Shivagrha inscription, a general public water project to alter the program of a river in the vicinity of Shivagrha temple was undertaken throughout the development in the temple. The river, determined because the Opak River, now runs north to south to the western aspect from the Prambanan https://news24onlinebuzz.blogspot.com/2024/09/discovering-heart-of-hindu-community-in.html