Christies auction house displays a traveling exhibit of art by Pablo PIcasso, Vincent Van Gogh, Edgar Degas, Edward Hopper, Mary Cassat, Norman Rockwell at the JW Marriott in Cherry Creek in Denver, Co.

DENVER, CO - APRIL 21, 2014: This is a piece by Thomas Moran entitled Grand Canyon with a price of $8,000,000-$11,000,000, that is part of the American Art Impressionist & Modern art traveling show by Christie's auction house at JW Marriott hotel in Cherry Creek in Denver, Co on April 21, 2014. The pieces by well known artists such as Pablo Picasso, Vincent Van Gogh, Edgar Degas, Mary Cassatt and Norman Rockwell are up for auction at Christie's in New York City in May. Christie's is holding the special viewing to create interest in the auction. (Photo By Helen H. Richardson/ The Denver Post)