XV Congress of Trade Unions of the USSR in Moscow

USSR. Moscow. March 1972. Delegates to the congress: one of the founders of the Vinogradov movement, weaver Maria Ivanovna Vinogradova (center), student of the Kuibyshev Polytechnic University R. Bugakova (left) and sharpener of the machine-building plant of the city of Kuibyshev N. Khlebova (right) during a conversation in the foyer of the Kremlin Palace of Congresses during a break between sessions of the 15th Congress of Trade Unions of the USSR. The exact date of the photo is unknown. Valentin Mastyukov, Vladimir Musaelyan/TASS