Woodchip 52811 from Praias Sado to Darque with Bombardier 1963 leading over Durraes viaduct. Although it seems sand, this train carries a kind of sawdust or wood chips.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/34383239@N07">Pablo Nieto</a>
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/rapidoelectro/14758647448/">Madera. Durraes. Portugal</a>