Ключевые слова: abandoned, aged, architecture, army, block house, building, bunker, channel, city, cloud, concrete, danger, defense, defensive, dramatic, dug out, english, entrance, europe, forest, former, fort, fortification, fortress, france, german, gold, historic, history, invasion, landscape, line, military, naturally, nuclear, old, park, protection, rusty, shelter, shore, sky, strategic, tree, two, underground, wall, war, wartime, world,