e/Ouvrage La Séréna

Information
has gloss	eng: Ouvrage La Séréna is a lesser work (petit ouvrage) of the Maginot Line's Alpine extension, the Alpine Line. The ouvrage consists of one entry block at an altitude of . Two more blocks were planned but not completed before the invasion of France in 1940.
lexicalization	eng: Ouvrage La Serena
lexicalization	eng: Ouvrage La Séréna
instance of	(noun) a fortification built before World War II to protect France's eastern border; initially considered to be impregnable, it was easily overrun by the German army in 1940 Maginot Line