Photographer Emil Hartvig is based in Copenhagen, but recently he came to the United States and traveled through the Midwest to photograph the Prepper movement. Preppers subscribe to an extreme kind of disaster preparedness. They're not setting aside a few bottles of water or a flashlight in case the power goes out. Preppers are preparing for the end of the world as we know it. Whether its economic collapse, civil unrest, or a biological or nuclear attack, the Prepper movement is all about having the means to be self sufficient and protect yourself when the shit hits the fan.