사진 속 동물의 표정은 해당 동물을 찍은 사진작가를 통해, 사진이 촬영될 당시의 상황과 분위기 등으로 유추했다.
The expression of the animal in the photo was inferred by the situation and atmosphere at the time the photo was taken through the photographer who took the pictures of the animal.