destroyed world war 2 wyrwidab bunker on green field in wegierska gorka, westerplatte of the south, poland. sunny day, blue sky

polish flag shelter bunker war history poland wegierska gorka invasion hitler westerplatte fortress military ww2 army historical building concrete second world defence protection ii border architecture old arming destroyed historic battle wwii spilled ruins fort europe wall control fortifications demolished weapon outdoor defense memorial equipment ruin safety security national armed forces