These have been written in Hebrew originally but after many overpaintings, the writings have changed so considerably that by now the text does not make much sense. The main architect, Elias Gabbay who devised the works has later noticed that many of the ancient characters of the complex have retained their appearance. For example, the roof of a nearby synagogue shows a shape of a Jewish Star, as visible from Google Earth—not a common thing that you could expect to find in a contemporary Iran.