The Le Portal complex houses an interactive multimedia exhibition mainly devoted to the subject of water in Roman times; sewage systems in ancient towns, the Roman lifestyle, and interesting information about aqueducts and the construction of the Pont du Gard. It also has a cinemascope, a multimedia resource and the Ludo. In this games area, children can play at being archaeologists or Roman schoolchildren; they learn to channel water and discover the fauna and flora of the garrigue scrubland.