hours later than anticipated. now looks like it is a go. a brave man going into the bowels of the earth to help bring the miners to the surface. you can see throughout this has been a physical operation. out in the cold, men working with their hands, using basic equipment at some points, hammers, wrenches, sledge hammers, concrete, we've seen this over and over again. it is a physical struggle. a struggle to save lives. we talked to many soft drillers and the miners. they say, we've really never done anything like this before. ordinarily, when you are drilling for copper or gold, you can do certain things. you can make explosions. you can take much more risks. now they are drilling for men. so they have to do things very differently. much more deliberately than they have in-;qú the past. we talked about the aid from nasa. we've seen drillers from different parts of the world lending their expertise to