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:
Maastricht omgeving OLVpoort detail kaart Larcher d'Aubencourt . en Maastricht the Netherlands Detail of map showing section of the city along the river Meuse around OnzeLieveVrouwepoort gate of Our Lady in The map by French military engineer JeanBaptiste Larcher d'Aubencourt was used to built the Maquette of Maastricht now in