<p><br /> A drilling operation to free 33 miners trapped half a mile underground in Chile will begin on Sunday or Monday.<br /> </p><p><br /> The miners were trapped by an August 5 collapse, and rescuers established contact with them 17 days later by drilling a 6-inch-wide (15-centimetre-wide) hole to the shelter.<br /> </p><p><br /> Rescuers are working to drill an escape tunnel that will be about 26ins (66cm) wide and could take weeks or months to complete.<br /> </p><p><br /> The first video released of the 33 men trapped deep in a Chilean copper mine shows the men stripped to the waist and appearing slim but healthy, arm-in-arm, singing the national anthem and yelling "long live Chile, and long live the miners!".<br /> </p><p><br /> Camping just outside the entrance to the mine, those waiting for the miners' return said they were elated after seeing their loved ones - and that the men appeared to be in better shape than thought.<br /> </p><p><br /> The men made the video with a small camera sent down to them through a small emergency shaft drilled to their emergency shelter deep in the San Jose mine.<br /> </p>
