Ключевые слова: air, animal, avian, bird, bird sitting, birds, birds on a wire, birds sitting, black, blue, blue sky, blue sky clouds, cable, cables, day, decoration, electric, electrical, electrical wires, flight, flock, fly, group, health, high, line, lines, little, many birds, medicine, military, nature, plane, power, power lines, relaxing bird, silhouette, sitting, sky, spring, telephone, urban, view, white, wild, wildlife, wing, wire, wire cable, wires,