T. Zhivkov's visit to the USSR

USSR. Moscow. April 7, 1971. Workers of the Moscow Machine-Tool Plant "Red Proletary" named after A. I. Efremov during a speech at a rally by the head of the delegation of the Bulgarian Communist Party, First Secretary of the Central Committee of the BCP, Chairman of the Council of Ministers of the People's Republic of Bulgaria Todor Zhivkov. Valentin Khukhlaev/TASS