When you think of a last meal, you might think about those given to death row inmates. However, there are some people who are planning much more large-scale "last meals." These are people who are sure that the end of the world is nigh, and have been stockpiling and planning accordingly. They're known as "doomsday preppers," and their hypotheses about the destruction of civilization as we know it range from environmental disasters to divine intervention. Photographer Henry Hargreaves spent some time with a handful of the estimated 3 million preppers in the U.S., and catalogued their end-of-the-world meals. These meals...