Close up view of a steel railway track with concrete sleepers and gravel ballast.
Schlüsselwörter
railway,
railroad,
track,
rail,
line,
sleeper,
attaching,
ballast,
gravel,
stone,
steel,
metal,
concrete,
iron,
clip,
fastening,
transport,
transportation,
travel,
journey,
commute,
transit,
public,
freight,
cargo,
industry,
industrial,
engineering,
construction,
connection,
direction,
path,
route,
way,
forward,
movement,
speed,
power,
stability,
foundation,
structure,
system,
network,
rust-eaten,
weathered,
heavy,
strong,
hard-wearing,
grey
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