Zurbarán adopted Caravaggio's realistic use of chiaroscuro and the severe compositions of Juan Sánchez Cotán. He started painting in the city of Seville, Spain, when he was 15 years old . | Zurbarán adopted Caravaggio's realistic use of chiaroscuro and the severe compositions of Juan Sánchez Cotán. He started painting in the city of Seville, Spain, when he was 15 years old . |