Ключевые слова: aerial photography, barge, bay, blue water, boat, body of water, bridge, bucket bay, building, cargo, coast, copter, cranes, don, factory, hangar, industrial structure, industry, navigable river, repair, river, rostovondon, russia, ship, ship repair, shipbuilding, shipyard, special equipment, surf, top view, transport, voroshilovsky bridge, warehouse, water, water transport, white crane, yellow crane,