Another piece of advice that photographers give (see Leading Lines) is to simplify your photo. Clearly I missed that exercise. This is anything but simple. The tunnel is through the Maryland Heights across the Potomac from Harpers Ferry, the track on the left had an Amtrak Train heading into the tunnel, the track on the right a freight train exited the tunnel. Lots of signals and wires and the C&O Canal is in front of the stone wall. Adding to the chaos is foliage seeming springing up randomly from every direction.