The original Etruscan Temple was probably used as the meeting place of the separate tribes of the seven hills. It may have had only two columns and an open portico. It is believed the temple was converted by bricking up the front portico creating an anteroom. There may have been a balcony created above this space with an opening for public viewing but little is known about how this addition may have looked like. It is believed the exterior may well have looked almost exactly the same as the Curia Julia as the classic lines of the simple structure match the lines of the Etruscan Temple.