mountain cliffs, leros, dodecanese, greece, europe

aegean ancient archaeology architecture background barracks blue bright buildings cliffs colors conflict deep destination dodecanese empty environment europe european exterior famous forgotten fortress german greece greek green gun harbor heritage historic historical history horizon island italian lakki landmark landscape leros mediterranean military mountains national natural nature ocean old outdoors outposts park picturesque protection relic rock rugged ruin ruins scenic sea shelter sky station stone stronghold terrain tourism travel trees trenches tunnels vegetation war warfare wartime water weathered