The railway goes into the distance from the tunnelThe railway goes into the distance from the tunnel
The light is in the tunnel, not at the end of the tunnelThe light is in the tunnel, not at the end of the tunnel
Flying along the black tunnel, along the rare lanterns, a motorcyclistFlying along the black tunnel, along the rare lanterns, a motorcyclist
The transience of movement on the blurred background of the tunnelThe transience of movement on the blurred background of the tunnel
An artificial underground passage, especially one built through a hill or under a building, road, or river. Dig or force a passage underground or through something. (of a particle) pass through a potential barrier.