Cristian Orellana photographs his daughters Camila and Gabriela in front of one of the Fenix capsules used to free trapped miners in Chile, on display at the Prospectors and Developers Association of Canada (PDAC) trade show in Toronto March 6, 2011. The world's largest mining convention has generated even more excitement than usual given rising demand and surging metal prices. REUTERS/Mike Cassese (CANADA - Tags: ENERGY BUSINESS)