On the banks of the Aude. Composition and cinematography by M.C. Gilbert. This little river descends from the Pyreneens through a deep gorge: the Défilé of Pierre-Lis. The Hole of the Pastor is one of the tunnels that crosses the route on the bank of the torrent. The little city of Quillan. The quarries where the pink marble of the columns of the Trianon was cut. The three castles of Lastours. The city of Carcassone, a unique example of a Medieval city. The gate of Aude, entrance to the city. The ramparts, military architecture of the 12th and 13th centuries. The chateau of Comtal (12th centruy), a fortress situated inside the city. How many generations came one after another in these ancestral residences! The last rays of sunset play across the clouds, giving the old city a halo of glory. The end.