Ключевые слова: 169, alive, animal, barn swallow, bird, birds, black, blue, copy space, copyspace, day, flock, format, group, habitat, hirundininae, horizontal, letterbox, many, martin, nature, nobody, ornithology, outdoor, outdoors, passerine, peace, peaceful, power line, power lines, rest, resting, rustica, sit, sitting, sky, summer, swallow, swallows, wide aspect, widescreen, wild, wildlife,