oblique close up of wooden railroad tracks perpendicular to parallel steel rails

background railroad closeup aerial stones tracks travel brown lines metal steel sunny train rail ties wood railroadiana 2x4 wood planks travel transit underpinning support structure infrastructure vintage antique retro angles angular right 90 degrees mathematics engineering engineered cross country continent intercontinental mass cargo crossing danger zone dangerous right industry industrial magnate iron horse gravel stones pebbles gauge simplistic lightweight lain laid secured