A Spanish documentary about the "Battle of tungsten" that the Allies fought against Spain over that metallic element, which was essential for the wartime industries during WW2.A Spanish documentary about the "Battle of tungsten" that the Allies fought against Spain over that metallic element, which was essential for the wartime industries during WW2.A Spanish documentary about the "Battle of tungsten" that the Allies fought against Spain over that metallic element, which was essential for the wartime industries during WW2.
