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:
Quarenghi CrossSection of the Auditorium of the Hermitage Theatre engraving. ru en CrossSection of the Auditorium of the Hermitage Theatre with Part of Foyer and Stage between hermitagemuseum org Engraving lng en Hermitagemuseum org Giacomo Quarenghi other versions PDArt Drawings by Giacomo Quarenghi Historical