Construction of the bridge through the Kolyma by the workers Of the Dalstroy (part of the 'Road of Bones' from Magadan to Jakutsk)
Unknown author<span style="display: none;">Unknown author</span>
30s <div style="display: none;">date QS:P,+30-00-00T00:00:00Z/8</div> of the 20th century
Tomasz Kizny, Gulag: Life and Death Inside the Soviet Concentration Camps, <a href="//commons.wikimedia.org/wiki/Special:BookSources/1552979644" title="Special:BookSources/1552979644">ISBN 1552979644</a> (from Russian wikipedia)