Participants in the Gobi Wolf disaster management exercise carry a stretcher during the field exercise centering on a mining disaster scenario involving hazardous materials. Ulaanbaatar, Mongolia, April 8, 2010. (Tenzing Paljor Photograhy/Tenzing Paljor)

Gobi Wolf participants line up during the mining disaster field exercise scenario involving hazardous materials. Ulaanbaatar, Mongolia, April 8, 2010. (Tenzing Paljor Photograhy/Tenzing Paljor)