angles appearance background beams below beneath bridge concrete deck light lower lower-deck perspectives piers pillars reflections secure solid steel strength strong structure structures surface surfaced surfaces texture textured textures thick under undercover water ancient architecture backdrop barn brick bricks building built cement construction copy dirty façade grunge grungy masonry mortar old outbuilding pattern space urban vertical Victorian vintage wall wallpaper weathered confined display displayed engines equipment heavy heavy-duty historical history locomotives machinery machines mobility power powerful rails railway railway-yard restoration restoration-yard restored steam-engines steam-locomotives steam-trains trains transportation abstract architectural basic brick-wall color colored colors colour coloured colours exterior external rough smooth standard uneven variation varied various