Greg Hall recounts the extraordinary story of the 2010 Chilean mining disaster, where 33 miners were trapped 2,300 feet underground for 69 days. Hall, the owner of Perfoi Quipos, a company that supplied the miners' equipment, shares the little-known story of how he and his team worked tirelessly to drill a half-mile hole through solid granite to rescue the miners, facing numerous challenges and setbacks along the way. [... more]