!['Sergeant F de Bruin, Department of Prisons Employee, Orange Free State' (1992 ).](https://imagenes.elpais.com/resizer/v2/IHFI6RCR4NBOPKEB5YPRYA43I4.jpg?auth=79fab64c64b8cd207944b95d88931e9e9f3f2f5380290f3c66e99c5d1ed1cb31&width=414&height=233&smart=true)
Two photographers capturing the hidden side of the human face
Roger Ballen and Jacques Sonck, whose work will be on display at the Castilla y León International Photography Festival in Spain, look at the figure of the outsider from different perspectives