railway tunnel mouth
Schlüsselwörter
tunnel,
railway,
mouth,
rail,
underground,
construction,
infrastructure,
sleeper,
entrance,
exit,
transit,
tube,
public,
work,
subway,
concrete,
lip,
cement,
mountain,
hill,
rock,
transport,
track,
attaching,
ballast,
project,
spain,
high,
speed
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