Ballasting of a rail track in the Alentejo Railway, in Portugal.
This image was published in the Gazeta dos Caminhos de Ferro magazine No. 1127, of 1st December 1934, and scanned by the Hemeroteca Municipal de Lisboa.
Unknown author<span style="display: none;">Unknown author</span>
<a rel="nofollow" class="external free" href="http://hemerotecadigital.cm-lisboa.pt/OBRAS/GazetaCF/1934/N1127/N1127_item1/P14.html">http://hemerotecadigital.cm-lisboa.pt/OBRAS/GazetaCF/1934/N1127/N1127_item1/P14.html</a>