he was the only person onboard. light at the end of the tunnel for the 33 chilean miners who may be just days away from freedom, fame and perhaps fortune. this morning engineers finished reinforcing an escape shaft more than 2,000 feet long. and now the difficult ascent stands in the way possibly as early as wednesday. the miner who is have been trapped more than two months will be hoisted to the surface during a heroing 20-minute ride in a tiny 28-inch wide capsule. kerry sanders is in chile. and drama unfolding, i understand, not only down below the surface, butç on the surfa as well, kerry. reporter: well, there s a lot of excitement. it looks like all the check boxes have been checked and that things are falling into place. and the teams here have a high degree of confidence that things are going to work because they have put the sleeve down there. they were going to initially do it deeper, but they only went