Exterior view of the bridge (formerly Herkulesbrücke, built in 1787 by Carl Gotthard Langhans, sculptures in 1791 by Johann Gottfried Schadow, these moved in 1891 to the Herkulesbrücke over the Landwerkanal) with focus on the sculpture groups with representations from the Hercules saga (colored copperplate engraving by Serrurier)