Based On the Shivagrha inscription, a public water project to change the class of a river close to Shivagrha temple was carried out through the construction of the temple. The river, discovered as the Opak River, now runs north to south around the western facet of your Prambanan temple compound. https://hanumanmandirsouthaustralia.movie.blog/2024/09/29/exploring-the-hindu-temples-in-south-australia-a-spiritual-journey/