The turning triangle of the Wengernalpbahn at Kleine Scheidegg, seen on 20
March 2002. On the right it is possible to look into the tunnel of one leg, the
other one runs to the left. Every train has an "upper" and a "lower" end, if it
has to change from the Grindelwald side to the Lauterbrunnen side or vice
versa, it has to be turned.
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Digital photo by
<a href="http://www-users.rwth-aachen.de/christoph.schmitz2/index.html">Christoph
Schmitz</a>