A Roman Neptune or Jupiter head (not yet identified by expert) sits at a press presentation of discoveries found during the last archeological digs in the Rhone river in Arles, southern France. The Antic Arles museum (MDAA) is preparing on October 24, an exhibit of the past 20 years archeological discoveries made in the bed of Rhone river, including the bust of Julius Caesar, believed to be the oldest representation of the Roman emperor yet known, presented earlier this year.