Auf der Mauer goes from Hirschengraben to Leonhardstrasse. It is named after buildings built on top of Hirschengraben's wall (which were removed in 1867 and 1896). And the street does look like it's been build on top of a wall!
Central, as seen from Auf der Mauer. The building of the main station is visible in the background.
The tower of Predigerkirche
Oh look, the Polybahn!
Closer look at the Polybahn track
Tags: Altstadt, bridge, church