In 2010, a gold and copper mine collapsed in Copiapó, Chile. Thirty-three miners were trapped 2,300 feet underground for a record 69 days. Rescuers drilled a narrow borehole to provide needed supplies to the trapped miners then worked to drill a wider shaft and a special capsule to bring the miners back to the surface. People all over the world followed the story of the men, who sent video messages to the surface and worked together to keep up their morale. All 33 miners survived the ordeal, but the Copiapó incident highlights the

Then try StudyFetch, the AI-powered platform that can answer your questions and teach you more about it!