This pillbox or small bunker for machine guns was a part of the Republican coastal defense during the Spanish Civil War.
Vestigio de la guerra civil, los búnkeres o nidos de ametralladora formaban la línea defensiva republicana del litoral.
The only other pillbox I know of on BlooSee is from WW2 and located on Midway Atoll:
Only registered users can send comments.
It's free and it takes only a few seconds!