Ключевые слова: abandoned, access, activities, adventure, beauty, caves, cultural, czechia, deep, discovery, earth, engineering, equipment, exploration, extraction, fixtures, geology, heritage, historic, historical, history, industrial, jachymov, landmarks, light, methods, mine, mineral, mining, natural, rail, resources, rich, rocky, routes, scenic, seekers, shaft, site, subterranean, tourism, tracks, trails, transport, tunnel, tunnels, underground, unesco, views, walls,