The heavy iron door behind this grille was the entrance to a secret NATO headquarters, the Joint Operations Center, from 1954 to 1992. It was a communications center where coordination …
The Apostelgroeve is a former underground limestone quarry where building stones were extracted between 1770 and 1776. After that it served as a mushroom farm.
The region here was called Hoeverveld, after a farm that was also a resting place for the carriages to Maastricht. One of the residents, Mathijs Thijssens, had a statue of …