Academician Konstantin Scriabin, vice chairman of the Soviet-Bulgarian Friendship Society, and Tsola Dragoicheva, chairwoman of the All-People's Committee for Bulgarian-Soviet Friendship, in the lobby of the House of Friendship with Peoples of Foreign Countries (today's Reception House of the Russian Government). A conference of the Soviet-Bulgarian Friendship Society. The slogan in the background says: "For Eternal Unbreakable Friendship."