Ключевые слова: adult, animal, big, big dog, brown, canine, cute, cute animal, day, dog, dog on the ground, doggy, foot, ground, large, large dog, large mastiff, lies on the ground, loneliness, look, lying, mastiff, mastiff dog, nature, old, outdoor, outside, pedigree, pet, portrait, rest, sad, sadness, safety, sand, sleeping, soil, solitude, summer heat, tired dog, tired of the heat, toned, village, white, wool,