Blockhaus 13, big bunker of the Spanish Civil War (1936-39) in Colmenar de Arroyo, Madrid.

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Size: 5379px × 3587px
Photo credit: © Arturo Rosas / VWPics / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 13, 1936-39, 20th-century, army, arroyo, arturo, blockhaus, bunker, civil, colmenar, color, community, concrete, de, europe, fortress, frame, history, horizontal, machine-gun, madrid, nest, rosas, spain, spanish, strongold, war