Ключевые слова: abandoned, architecture, army, baltic, broadcast, building, bunker, business, communication, defense, destroyed, engineering, europe, forest, fort, fortification, green, helium, helium peninsula, heritage, historic, history, industry, landmark, landscape, mast, metal, military, mystery, network, ns, old, poland, radio, ruins, signal, signal mast, station, stone, structure, technology, telecommunication, tourism, transmitter, travel, war, weapon, wireless,