A man is seen from behind. He is turning slightly back. He is looking to the rig

A man is seen from behind. He is turning slightly back. He is looking to the right. His hair is tied in a bun and he has a short beard. His upper body is exposed. The man is wearing dark pants. In his left hand, he is holding something indistinct, possibly a book or notebook. The background is completely black, which makes the details of the body stand out clearly.