Construction of a mobile railway bridge, as part of the training of the Batalhão de Sapadores de Caminhos de Ferro (Railway Sappers Battalion), in Portugal.
This photograph was published on the Gazeta dos Caminhos de Ferro magazine No. 1285, of the 1st July 1941, and scanned by the Hemeroteca Municipal de Lisboa.
Unknown author<span style="display: none;">Unknown author</span>
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