Moscow city. Session of the XXV Congress of the CPSU in the Kremlin Palace of Congresses. Speakers: M. A. Suslov, L. I. Brezhnev, V. V. Grishin, D. A. Kunaev, V. V. Shcherbitsky, P. M. Masherov, M. S. Solomentsev, S. F. Medunov, Ya.P. Ryabov, A. N. Kosygin, B. N. Ponomarev, heads of delegations of the communist parties of foreign countries: E. Gerek, G. Husak, N. Ceausescu, J. Kadar, F. Castro, Le Duan, Nguyen Thi Binh, A. Cunyal, G. Hall, S. Allende and others. A visit by foreign delegations to the Moscow Automobile Plant named after Lenin Komsomol, Star City. Laying wreaths at the Lenin Mausoleum. Launching the icebreaker "Siberia" at the Leningrad Baltic Shipyard. Assembling KAMAZ vehicles on the assembly line of the Kama Automobile Plant. Construction of the Baikal-Amur Mainline. Closing session of the Congress. The deputies sing "Internationale".