Ключевые слова: abstract, air, animal, background, bird, birds, black, blue, cable, cloud, electric, electrical, electrician, electricity, feather, flock, fly, flying over, free, freedom, geometric, graphic, group, line, migration, nature, network, outdoor, pigeon, power, silhouette, sky, swallow, telephone, texture, white, wild, wildlife, wing, wings, wire, wires,