A masterpiece by Caravaggio has undergone a major restoration, revealing details that had been hidden for centuries.
Long thought to be a family heirloom, the artwork was actually gifted to the British prime minister in 1942 during the darkest days of World War II ...
On the left is the painting before restoration; on the right is the painting after restoration.Portland Art Museum Varnishing a painting protects it from dirt or scratches, DeWitt said ...