The old Solis station building is gradually disappearing as the narrow gauge train proceeds through the tunnel. While the straight tracks shine up, the zig-zag of the overhead wires becomes apparent as well. This zig-zag serves to even out the wear on the pantographs of the engines. In-between, the portrait of the photographer shines up in the rear window as the zoom is moved.
![](https://i.ytimg.com/vi/x5PiIhBWTUI/maxresdefault.jpg)