Get latest articles and stories on Business at LatestLY. Golden Ratio Films, the digital content production arm of Vistas Media Capital, commemorates the Battle of Haifa by announcing a film project telling its story. One of its most exciting movie project titled, 'Heroes of Haifa', will be co-produced by Yaelstar Films and Hundred Films. This will be GRF's third successful project with Yaelstar Films. Business News | Golden Ratio Films Announces Its Most Ambitious Project: 'Heroes of Haifa'.