Brühl (North Rhine-Westphalia, Germany), Schloß Augustusburg / Augustusburg Palace, (built under Prince Elector Clemens August, architects: 1725 Konrad Schlaun, 1728 François Cuvilliés, 1743-48 Balthasar Neumann). - Interior view: staircase (1743-48 by Balthasar Neumann.) -Photo.