The image shows a Union Pacific locomotive, numbered 4300, traveling on a railway track. The locomotive is painted in a bright yellow color with the words "Union Pacific" written in red on the side. It has a red stripe running along the side and a black caboose on the front. The train is moving along the tracks, with other locomotives visible in the background. The sky is overcast and the ground is covered in gravel. There are power lines and buildings in the distance.