exploring the decayed atlanterra bunker a 1940s coastal fortress in zahara de los atunes spain urban exploration

atlanterra beach zahara atunes cadiz andalusia spain cape plata concrete bunker 1940s coastal military abandoned urban exploration ruins decay weathered overgrown vegetation fortification spanish coast mediterranean historical site history world war ii hidden location secret adventure landscape architectural dark moody dramatic lighting cinematic texture detail mystery secrecy forgotten place old derelict deserted remnants remnant relic defense fortress base architecture andalusian