A man arrives home unexpectedly after 20 days of holidays. He takes this photo of his wife on his arrival. A few days later he kills her and puts the photo on top of the body. He explains the police that he killed her coz she was unfaithful and that he realized when he saw the photo.
What did the husband see on the photo that made him realize his wife was cheating on him?
See the pic carefully and give me the answer