a train going through a tunnel under a bridge a train is coming out of a tunnel a train is coming out of a tunnel a train is coming out of a tunnel a train is coming out of a tunnel a train going through a tunnel under a city a train is coming out of a tunnel a train going through a tunnel under a city a train going through a tunnel under a city a train is coming out of a tunnel a train going through a tunnel under a city a train going through a tunnel under a city a train is coming out of a tunnel a train going through a tunnel under a bridge a train is coming out of a tunnel a train going through a tunnel under a bridge a train is coming out of a tunnel a train is coming out of a tunnel a train going through a tunnel under a city a train is coming out of a tunnel a train going through a tunnel under a bridge a train is coming out of a tunnel a train going through a tunnel under a city a train is coming out of a tunnel a train is coming out of a tunnel a train going through a tunnel under a bridge a train is coming out of a tunnel a train is coming out of a tunnel a train going through a tunnel under a bridge a train going through a tunnel under a bridge
A silver and black train passing under a bridge. A subway train passing beneath an underground tunnel A large long train on a steel track. A train is coming through a tunnel in a quiet city. An electric commuter train emerging from a tunnel