JEB4826156 Roman architecture: the two marble columns of the ancient theatre. Built on the hill of Hauture, it forms part of the Roman grid, on the decumanus (east-west track). It was built at the end of the 1st century BC Arles (Bouches du rhone) by .; (add.info.: Roman architecture: the two marble columns of the ancient theatre. Built on the hill of Hauture, it forms part of the Roman grid, on the decumanus (east-west track). It was built at the end of the 1st century BC Arles (Bouches du rhone)); ?? Jean Bernard.