Sea views in the Sukhum Bay. Sheep graze in the pasture on the shores of the bay. Mountain river. The contours of the ruins of the city are visible through the water column in the sea. Exhibits of the museum in Sukhumi related to the history of the city (Dioscuria), founded by the ancient Greeks 2500 years ago and sunk in the sea; amphora, shell, daggers, gold jewelry, figurines of animals, coins with the image of Alexander the Great, women, "Dioscuri hats", seal rings. Archaeologists-divers, members of the archaeological expedition of the Institute of Archeology of the USSR Academy of Sciences are conducting research on the ruins of the sunken city; measure the height and thickness of the tower, draw up a plan of the tower under water. Filming of items found at the bottom of the sea. Divers put the found items in a bag. Archaeologists remove a large amphora from the bottom of the sea and lift it up. A tombstone marble slab with antique images, Langists, is on display in the museum. The city of Sukhumi against the background of ruins.