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Keywords from Image Description:
Maastricht ravelijn Boschpoort Brabant ca . en View of the ravelin near Boschpoort the northern city gate of Maastricht Drawing by Jan Brabant Morreau Bolwerk der Nederlanden Assen Jan Brabant Custom marker PDold Views of Maastricht by Jan Brabant Maastricht in the Fortifications of Maastricht Uploaded with Ravelins