A military bunker located near Thionville, in the Moselle department of northeastern France. The site is situated in a region historically significant for its extensive fortifications, most notably the Maginot Line, a series of defensive structures built by France in the 1930s along its borders with Germany and Italy. The term 'Blockhaus' in the existing description is indicative of a German-style fortified position, commonly associated with World War II-era constructions.
This area saw significant military activity during both World Wars, particularly during the Battle of France in 1940 and subsequent German occupation. The bunker's precise historical role, construction details, and current condition are not confirmed by the available search results, which primarily discuss the broader context of the Battle of Dunkirk and general French history. The structure represents the dense network of fortifications that characterized this border region during the mid-20th century.