Complex sentence: Some of the scenes in both "Broadway Bill" and "Riding High" were filmed at the Tanforan racetrack in San Bruno, California; the track burned to the ground in July 1964, just before it was to be demolished.
Split into simpler sentences: Some of the scenes in both "Broadway Bill" and "Riding High" were filmed at the Tanforan racetrack in San Bruno, California. The track burned to the ground in July 1964, just before it was to be demolished.