The image shows a long, narrow tunnel with a train track running through it. The tunnel appears to be underground, as there are no people visible in the image. The walls of the tunnel are painted in a light blue color, and the ceiling is covered with white lights. The train track is made of steel and is visible at the bottom of the image, with a few tracks running parallel to each other. On either side of the track, there are white arrows pointing in different directions, indicating the direction of the train. The image is taken from a low angle, looking up at the tunnel.