sentences:  Herzog's grandfather, Rudolf Herzog, lived and worked for several years as an archaeologist at this site, and published translations of the ancient Greek engravings which appear in the film.The old Turkish man who appears in the film with a written translation was the last surviving worker from Rudolf Herzog's archaeological project.During several shots, Peter Brogle could only be filmed from the waist up after he had been injured in a tight-rope accident and spent several months in a walking cast.