Continuing his fascinating journey exploring American art, in this episode Andrew Graham-Dixon uncovers the impact the Great Depression had on artists such as Edward Hopper and Arshile Gorky, and finds out how this struggle inspired America's first internationally-acclaimed art movement - Abstract Expressionism. He pays a pilgrimage to Jackson Pollock's perfectly-preserved studio in Long Island to discover the secrets of his unique drip technique, before flying across America to take in one of modern art's most moving experiences, Mark Rothko's chapel in Houston, Texas. Show less