This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Plakat mayakowski gross. page is org php title Image APlakatmayakowskigross here of harsh living conditions See Udarnik article for strike teams of exemplary labor The smoke in the picture had different associations at these times today smoke is pollution then it was sign of industrial revolution and posters of early Soviet