Bulgaria. Celebration of the 25th anniversary of the People's Republic of Bulgaria. Sofia city. The airport. Meeting of the party and government delegation of the USSR, headed by NV Podgorny. Members of the delegation at a reception at G. Traikov, T. Zhivkov, laying flowers at the Mausoleum of G. Dimitrov, a monument to Soviet soldiers. Ceremonial meeting. Speakers: G. Traikov, N. V. Podgorny, T. Zhivkov. Military parade and demonstration on September 9, 1969. Members of the Soviet delegation visit a chemical plant in the city of Burgas.