berlin, germany, winter, outdoor, snow, canal, river bank, riverside, river, sunny, sunshine, outdoor activity, bird, feed, landscape, water, flow, stream, flock, person, daytime, birds, sidewalk, walking, slope, national capital, duct, seat, daylight, weather, city, district, sun, vicinity, sunlight, passage, outside, european country, animal, capital, day, scenery, someone, food, season, urban area, path, cheery, walk, precipitation, riverbank, bank, center, light