DSC08532.JPG Rio Tinto RailwayThumbnailsRio Tinto RailwayRio Tinto RailwayThumbnailsRio Tinto RailwayRio Tinto RailwayThumbnailsRio Tinto RailwayRio Tinto RailwayThumbnailsRio Tinto RailwayRio Tinto RailwayThumbnailsRio Tinto RailwayRio Tinto RailwayThumbnailsRio Tinto RailwayRio Tinto RailwayThumbnailsRio Tinto Railway
Sulphur deposits in the Río Tinto near Berrocal station.