What should a photographer shoot when he is entrusted with the very last roll of Kodachrome? Steve McCurry took aim at the Brooklyn Bridge, Grand Central Terminal and a few human icons, too. Paul Simon, the crooner synonymous with the fabled film's richly saturated colors, shied away. But Robert De Niro stood in for the world of filmmaking. Then McCurry headed from his base in New York City to southern Asia, where in 1984 he shot a famous portrait of a green-eyed Afghan refugee girl that made the cover of National Geographic. In India, he snapped a tribe whose nomadic way of life is disappearing - just as Kodachrome is. Kodachrome enjoyed its mass-market heyday in the 1960s and ‘70s before being eclipsed by video and easy-to-process color negative films, the kind that prints are made from. It garnered its share of spectacular images, none more iconic than Abraham Zapruder's reel of President John Kennedy's assassination in 1963. Betting its future on digital photography, Kodak discontinued the slide and motion-picture film with a production run last August in which a master sheet nearly a mile (1.6 kilometers) long was cut up into more than 20,000 rolls. McCurry requested the final 36-exposure strip. After nine months of planning, he embarked in June on a six-week odyssey. Trailing him was a TV crew from National Geographic Channel, which plans to broadcast a one-hour documentary early next year.