there's a youtube video of a guy riding a freight train through that tunnel, with a gopro strapped to his head... https://www.youtube.com/watch?v=aOBCGmZppaA h

there's a youtube video of a guy riding a freight train through that tunnel, with a gopro strapped to his head... https://www.youtube.com/watch?v=aOBCGmZppaA https://www.youtube.com/watch?v=aOBCGmZppaA