This painting of St. George Slaying the Dragon was painted by Paolo Uccello in 1430, using tempera, oil, and silver leaf on wood. The nature of good versus evil is depicted in this beautiful artwork, with God overseeing the duel in the sky. It combines two renditions of the story of St. George and the dragon. The people of Silene, Libya had been sacrificing their children in vain to the dragon, hoping to appease it. It came time for the King's daughter to be sacrificed, but St. George rode out and subdued the dragon, allowing the princess to capture it. In the painting, however, the second rendition is also depicted, in which St. George is credited as beheading the dragon. The use of color helps to convey good versus evil, or light colors versus dark colors. St. George is rounded, light and smooth, and the dragon is sharp, pointy, and dark. Depth and perception are achieved with the city in the background and God overlooking it all.