Ключевые слова: alertness, animal, animal head, animal themes, animal tongue, animals and pets, black color, brown, canine, closeup, dog, dogs, domestic animals, friendship, german shepherd, guard dog, homeless, loneliness, lying down, mammal, mixedbreed dog, nature, no people, one animal, outdoors, pet collar, pets, portrait, puppy, purebred dog, resting, sadness, sheepdog, shepherd, stray animal, summer, trained dog, walking,