 Through the help of the Department of Environment and National  Resources (Province of Rizal, Philippines), the City Hall of  Antipolo and Municipal Hall of Rodriguez, Rizal, the bulk of the  film (dream sequence) was shot at the historical site of the Wawa  Gorge in San Rafael, Rodriguez (formerly Montalban), Rizal,  Philippines, where the legend of Bernardo Carpios "Dalawang  Nag