Based On the Shivagrha inscription, a public water project to change the program of a river near Shivagrha temple was carried out through the construction of your temple. The river, identified as being the Opak River, now runs north to south on the western facet from the Prambanan temple compound. https://hanumanjitemplenearadelaide.blogspot.com/2024/09/the-shani-dev-temple-in-adelaide-sacred.html