Last hours on the lockFrom: M. Gorky, L. Averbach, S. Firin (eds.), Belomorsko-Baltijskij Kanal imeni Stalina. Istorija stroitel'stva. 1931-1934 gg. (s.l.,
1934), after p. 318.
An orchestra of convicts plays a tune for other convicts who supposedly finish work on a lock. The photograph was taken by the famous constructivist artist Aleksandr Rodchenko.