Pictures are often not what they seem; to truly understand a painting, experts have to look beyond the painted surface. In this fascinating film, artist and educator James Heard explains the structure of paintings, from the medium and supplort to underdrawing, and introduces the range of technology and scientific methods that are used to examine them - revealing a fascinating and often puzzling hidden history lying beneath the layers of paint.
About 35 minutes • Region free • Widescreen • English subtitles