GDR. The ceremonial meeting in Berlin to commemorate the 20 anniversary of the GDR: The first secretary of the SED, Walter Ulbricht, the heads of the socialist countries: Leonid Brezhnev, H. Husak, V. Gomulka, T. Zhivkov, J. Kadar speak at the meeting. Holiday demonstration to commemorate the 20 anniversary of the GDR, on the streets of Berlin. Bulgaria. Production processes in the shops of the petrochemical plant in the town of Bourgas. Finland. She speaks at a meeting during the week of World Youth and Students Solidarity with Viet Nam, held in Helsinki. DPRK. Members of agricultural cooperatives Chango protect against erosion of the slopes of the land on which grow fruit trees. Netherlands. The moments of the construction of power lines. Germany. Moments of camel races in the city of Cologne; spectators at the race track watching the races. Czechoslovakia. Employees of the Institute of Mother and baby are doing exercises with a 4-monthly ex toddlers. Poland. Parade leaders of the country and agricultural workers at the stadium in Warsaw at Harvest Day. First secretary of the Polish United Workers' W. Gomulka welcomes participants of the festival.