Complex sentence: Bruce Lee had paved the way for Hong Kong filmmakers shooting abroad with the 1972 film "Way of the Dragon", whose location filming was done in Italy, whereas the interiors had been shot at Golden Harvest studio.
Split into simpler sentences: Bruce Lee had paved the way for Hong Kong filmmakers shooting abroad, with the 1972 film "Way of the Dragon". The location filming was done in Italy, whereas the interiors had been shot at Golden Harvest studio.