This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Potsdam Schauspielhaus elevation. en Potsdam Royal Theatre elevation of the faade Drawing by Carl Gotthard Langhans Philipp Daniel Boumann de Potsdam Knigliches Schauspielhaus Aufriss der Fassade Zeichnung von Carl Gotthard Langhans oder Michael Philipp Daniel Boumann Scanned from Christoph Martin Vogtherr Ed Friedrich Wilhelm