Restoring The Longest Painting In America

"The quarter-mile-long (0.4-kilometer-long) panorama toured the U.S. after it was completed in 1848. A section was featured at the 1964 New York World's Fair. But the panorama deteriorated after so much traveling on wagons and trains, rolling and unrolling. Paint dried up and flaked off, and the panorama was put into storage."

Article source here:Arts Journal