Ключевые слова: animal, architecture, bird, birdwatching, blue, bridge, capital, charles, city, cityscape, cold, czech, drake, duck, europe, feather, flock, freeze, frost, frozen, group, ice, landscape, mallard, natural, nature, old, outdoor, park, prague, river, season, seasonal, snow, tower, town, travel, tree, urban, view, vltava, water, waterfowl, wild, wildlife, winter, wintertime,