Maastricht, the Netherlands. Detail of a map of Maastricht from the Atlas van Loon (Blaeu, 1652) showing the northwestern section of the 17th-century fortifications between Brusselsepoort and Lindenkruispoort.
<bdi><a href="https://en.wikipedia.org/wiki/en:Joan_Blaeu" class="extiw" title="w:en:Joan Blaeu"><span title="Dutch cartographer (1596-1673)">Joan Blaeu</span></a>
</bdi>
1649
Atlas van Loon