Ключевые слова: alpinist, altitude, blue, building, business, centre, city, clean, cleaner, climb, climbing, danger, dangerous, facade, facility, glass, grid, group, high, highrise, installation, labor, maintain, maintenance, management, men, mirror, occupation, office, outside, property, reflection, risk, scene, service, skyscraper, striped, structure, tower, wash, washer, window, wipe, wiper, worker, working,