Prisoner labor at construction of <i>Belomorkanal</i> (White Sea Canal)
Unknown author<span style="display: none;">Unknown author</span>
This file was derived from: <a href="//commons.wikimedia.org/wiki/File:Canal_Mer_Blanche.jpg" title="File:Canal Mer Blanche.jpg">Canal Mer Blanche.jpg</a>: <a href="//commons.wikimedia.org/wiki/File:Canal_Mer_Blanche.jpg" class="image"><img alt="Canal Mer Blanche.jpg" src="https://upload.wikimedia.org/wikipedia/commons/thumb/0/0d/Canal_Mer_Blanche.jpg/100px-Canal_Mer_Blanche.jpg" decoding="async" width="100" height="81" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/0/0d/Canal_Mer_Blanche.jpg/150px-Canal_Mer_Blanche.jpg 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/0/0d/Canal_Mer_Blanche.jpg/200px-Canal_Mer_Blanche.jpg 2x" data-file-width="1162" data-file-height="945"></a><br>