Ключевые слова: abstract, architecture, backgrounds, big icicles, breaking, chimney, city life, cold, colourful, cool, danger, danger zone, duct, emergency, fall, february, fragility, frozen water, hang down, home, house, ice, ice crystal, icefall, icicle, icicles, large, large group of objects, low angle view, melting, meteorology, nature, no people, pipe, roof, roof gutter, sharp, sky, snow, solid, spring, thaw, thawing, threat, tube, vertical, visor, wall, window,