XXV Congress of the CPSU in Moscow

USSR. Moscow. Hero of the People's Republic of Bulgaria, Hero of Socialist Labor of the PRB, Chairman of the All-People's Committee of Bulgarian-Soviet Friendship Tsola Nincheva Dragoycheva (second from left in the foreground), Twice Hero of the Soviet Union, USSR pilot-cosmonaut Pavel Romanovich Popovich (third from left in the foreground), First Secretary of the Central Committee of the Bulgarian Communist Party, Chairman of the State Council of the PRB Todor Zhivkov (third from right in the foreground) and delegates of the 25th Congress of the CPSU during a break between sessions in the Kremlin Palace of Congresses. Viktor Velikzhanin/TASS