Moscow city. International photo exhibition dedicated to the 100th anniversary of the birth of V. I. Lenin. Soviet doctor, researcher, traveler Yu. Senkevich at home, on a walk, in Antarctica, in the laboratory. Newsreel: the launching of the papyrus boat "Ra", on which Thor Heyerdahl's scientific expedition from Africa to America was made. Photo of the crew members of the boat "Ra", among them - Yu. Senkevich. Performance of the State Pop Ensemble of Kazakhstan "Gulder". The artists of the ensemble play dombras. G. Tolpakova is dancing.