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Keywords from Image Description:
Clef.voute.cathedrale.Senlis. la cathdrale de Senlis les arcs ogives des votes des bascts n'tant composs que d'un seul boudin la petitesse de la rosace formant dcoration la clef couvre peine l'intersection de ces boudins Voici une de ces clefs Arch ViolletleDuc Plans of Cathdrale NotreDame de Senlis ViolletleDuc