Clouding around the edge of the picture. Contrast of the black and white. The light in the back of the picture pops out more so you notice the child and the ball. Use a silhouette cut-out to make the silhouette of the child?
A great portrait of Oglala Lakota Chief Iron Tail who was one of the most famous Native Americans of his day and a popular subject for professional photographers who circulated his image across the continents.