World voyage of the Polish steamer "Bathory" in the Baltic countries. Arrival to Leningrad. Excursion of passengers in Leningrad, Peterhof, visiting the Stalin metallurgical plant, pediatric institute, the Palace of Pioneers, the House of Culture of the Promcooperatsii (among those present - Academician D.V. Nalivkin). 2h -Evening of peace and friendship in the House of Culture of Promcooperatsii. Departure "Batory".