The Maring people of Papua New Guinea had their first contact with a European just six years before geographer and anthropologist William C. Clarke arrived to spend a year living with them in 1964. By the 1990s, after years of storage in tropical climes, the photographs Clarke took in PNG had become fungus-ridden and faded. Computer technology was used to restore the photographs, a process that brought back not just visual images of tropical plants, red soil, and skin made shiny with oil, but the smell of moist earth and banana leaves singeing on hot rocks. Clarke was transported to a...