The image shows a black locomotive with the number 5104 on it, traveling on a railway track. The locomotive is a diesel locomotive, with the words "NS 5104" written on the side in white lettering. It has a large number "5104" in the center of the locomotive. On the right side of the image, there is a smaller locomotive on the left side, which appears to be a freight train with multiple cars. The train is moving along the track, and there are trees in the background with autumn foliage. The sky is blue and the ground is covered in fallen leaves, indicating that the photo was taken during the fall season.