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Keywords from Image Description:
AMHKB Floor plan of the fort at Siara. Artwork nl Plattegrond van het fort bij Siara nl Plattegrond van het fort bij Siara Arx in Siara Rechtsonder No en Floor plan of the fort at Siara Arx in Siara Bottom right No Atlas of Mutual Heritage kb atlasofmutualheritage nl id Source at the Atlas of Mutual Heritage en Subjects chart