Lighthouses: "Kypu" (Estonia), "Aytodorsky", "Kherson" (Ukraine), "Kolka" in the Baltic Sea, "Vorontsovsky" in the Odessa port, "Tallinn"; lighthouses in the Bugsko-Dneprovsky estuary canal, in the Finnish, in the Vyborg bays; floating lighthouse "Irbensky" in the Irbensky Strait. Construction of the Irbenskiy lighthouse on a hydraulic engineering foundation. Employees of the telecontrol center by means of navigation at work. Information in the announcer's text from the history of the lighthouses "Alexandria", "Douglas" and others.