Ключевые слова: ambiance, architecture, city, concrete, construction, crates, croatia, curved passageway, dark, depth, dim lighting, discovery, eerie, enclosed, exploration, hidden, historical, industrial, infrastructure, modern, mystery, overhead lamps, pallets, passage, passageway, people, quiet, secret, shadow, site, space, storage, structure, subterranean, tourism, travel, tunnels, underground, underground network, urban, utility, zagreb,