A military structure located near coordinates 50.924°N, 1.716°E in northern France. The designation 'FA HWB (zerst.)' suggests a former facility, with 'zerst.' being the German abbreviation for 'destroyed'. The provided web search results contain no information confirming the specific type, historical function, or construction details of this site.
The location falls within the historical region of Nord-Pas-de-Calais, an area with significant military infrastructure from both World Wars and the Cold War, but no direct connection to this specific coordinate can be established from the available data.