June 10, 1996 - Sustenpass, Switzerland.
The Sustenpass (2224 m asl) lies between the towns of Innertkirchen in the West and Wassen in the East. There are numerous very short tunnels to the West of the Sustenpass. One of the tunnels becomes a waterfall as water flows over it and into the valley below. While passing through this tunnel, a hole carved into the side enables you to look through the waterfall towards the scenery in the background.