December 20, 2012
From Preparing for the End of the World, one of 26 photos. Phil Burns demonstrates his air purifying SCape Mask at his home in American Fork, Utah, on December 14, 2012. While most “preppers” discount the Mayan calendar prophecy, many are preparing to be self-sufficient for threats like nuclear war, natural disaster, famine and economic collapse. (Reuters/Jim Urquhart)

From Preparing for the End of the World, one of 26 photos. Phil Burns demonstrates his air purifying SCape Mask at his home in American Fork, Utah, on December 14, 2012. While most “preppers” discount the Mayan calendar prophecy, many are preparing to be self-sufficient for threats like nuclear war, natural disaster, famine and economic collapse. (Reuters/Jim Urquhart)