bending steel train railway. narrow tracks. diminishing perspective. crashed stone underlay. green fall trees background

curving steel train railway narrow tracks diminishing perspective crashed stone underlay green fall trees background selective focus white milestone marker fallen autumn leaves scenic gravel infrastructure journey industry bend curve parallel shiny red rusty metal transport transportation sunlight outdoors outdoor nature natural landscape forest accident black blocking hazard iron line path pipe prevention protection rail railroad rails road track warning wood bolt fastener spring slipper concrete bending railway tracks perspective underlay