majestic bunkers and air raid shelters

air air-raid alley ambition ambitious architectural architecture art blue bombings building buildings bunkers cave construction country courage deep defence defense defenses door enemy engineering facade facilities fortification fortifications fortress green ground guard heavy historic history home house huge impenetrable important installation iron landmark magnificent majestic mural national neighbourhood play powerful project protect raid rampart road role serve shelter shelters solid spectacular stands street strong sublime thick trench underground wall window wisdom witnesses witnessing wonders wood