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:
Alphonse de Gisors Plan de l'hmicycle du palais du Luxembourg dans sa configuration Cour des pairs Google Art Project. Plan de l'hmicycle dans sa configuration Cour des pairs Inscription SignedandDated Not on View Drawing special urlid BAEmHgQmPUSMg PDold Google Art Project works by Alphonse de Gisors Architectural drawings of