The film tells about the World Exhibition in Brussels. Brussels. King Baudouin of Belgium opens the World's Fair. The eternal flame of the exhibition is burning. Royal escort drives through the exhibition grounds. The emblem of the "Expo-58" exhibition. Brussels at night. Soviet pavilion. Visitors on the territory of the exhibition, ride in motorized carriages, in trailers, on the cable car. Viaduct. Pavilions of France, USA, USSR from a helicopter. Interior view of the USA pavilion. Pavilions of Finland, Thailand, Cambodia, Yugoslavia, West Germany, Morocco, Canada. Visitors to the Japan Pavilion. Clay dolls. The first ski stand in the Norway pavilion. The first bicycle, the first tram, the first car in the pavilions of England, Belgium, USA. Visitors at the first satellite in the Soviet pavilion. Pavilion of Canada. Eskimo dummy, Eskimo guns stand. Teratron. Watches in the Swiss pavilion. Dutch pavilion, imitating the waves and the deck of a ship. Artificial sea. Livestock section in the Dutch pavilion. Dutch tulips. Carpets in the pavilion of Iran. The weaver is working. Iranian miniatures. National costumes in the pavilion of Mexico. Hall of Art. Paintings, silverware. Brussels. Monuments to Egmond and Gori, Till Ulenspiegel, Stalingrad Square, Pis monument. Soviet tourists from Uzbekistan, who arrived on the steamer "Georgia", pass through the exhibition, looking at the atomium. Chief Architect Andre Waterklein talks about the creation of the Atomium (synchronously). Introducing visitors to the architecture of the Atomium. Visitors to the exhibition drink beer in a bar, relax by the fountain. An old Belgian "town" at the exhibition: there are peasants in national costumes, an organ grinder, a shoe on the wall of a house, a water mill. The lacemaker weaves lace. Attractions at the exhibition. Bells of the Vatican Pavilion. Interior view of the pavilion, exhibits. Holy See. Prayer at the Vatican Pavilion. Missionary speaking. Hungarian Pavilion. Food industry department. Lathe. Devices. Diesel express model. Czechoslovak pavilion. Power plant model. Section "Medical Equipment". Betatron. Department of art. Crystal products. Soviet pavilion. Paintings. Machine tools for programmed control. Oil rig delivered from Azerbaijan. Agricultural machinery site. Cars "Chaika", "ZIL-111", a model of the TU-104 aircraft, the first artificial Earth satellite, a model of an atomic icebreaker, a nuclear power plant. Exhibits from different countries in the International Palace of Science. Pavilion of the Palace of Art. Exhibits: paintings by P. Picasso, Matisse, A. Russo, A. Deinek. Book section". The Pushkin family, descendants of the great poet, makes an entry in the Guest Book. Light and food industry products: carpets, furs, a model of the Moscow metro. USA Pavilion. Demonstration of mod. Electronic calculating machines. Art department: paintings, sculptures, photo stands. English pavilion. Hall of English Traditions. Wax dolls. Hall of Science. Diorama of a nuclear reactor. Industry Pavilion. French pavilion. Perfumery section. Art stand. Jewelry in the Diamond Pavilion. T.F. Makarova, S.A. Gerasimov listen to the recording of R. Rolland's speech to the Soviet people in the French pavilion. The French doctor introduces the surgeon B.V. Ogneva with the operation of the device for operations with a switched off heart. Congo Pavilion.