This image is a derivative work of the following images: File:Plan.donjon.Etampes.2.png licensed with Cc-pd-mark-footer, PD-1923, PD-old-100, Viollet-le-Duc...
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse Derivative works of this file: Chateau D'Etampes keep plan.png...
la cave; en B', la rampe descendant sur le sol de c Uploaded with derivativeFX English A 19th-century reconstruction of the keep at Château d'Étampes...