A military structure located near the coordinates 50.7405099, 5.7222455 in Belgium. The designation 'NV-12 (PFL1)' suggests a possible Belgian military or civil defense installation, potentially from the Cold War era, as Belgium maintained an extensive network of bunkers and command posts during that period. However, the provided web search results contain no specific information confirming the function, construction date, or historical context of this particular site.
Further details are currently unconfirmed.