Funiculars, cable trains that were built up the sides of hills and mountains, often ran on water. tags cable train sewage friborg switzerlandIn Fribourg, Switzerland, they had a better idea. One area in town is at the top of a hill, and the other at the bottom. And if there is one thing that is always flowing from the top to the bottom, it is sewage. Instead of running in a pipe, they pump some of it into the car at the top; at the bottom, they open it up and let it run into the lower sewer. picked by Bingo 2 months ago |
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