parallel rail railroad railway railway lines railway tracks closeups objects trains black blue cross crossing dark electricity evening light nature road train transpart transportation aspen autumn colorado Durango fall locomotive Rocky Mountains silverton smoke steam engine fallen flags glass railroads red brick round house steam town background cracked decay paint peeling sign surface texture yellow horse iron Selketalbahn steam bar barrier cutout fence isolated Railway crossing roadsign roadsigns signs warning landscape line link rails track tram waggon engine loco machine pull railways railworks