still to go. i imagine morale is high, but as bill neely explained, complacency can be an enemy. >> yeah. the cave rescue community worldwide has been really monitoring this closely. the great thing for the boys and their coach is the uk -- the british cave divers who are spearheading this rescue effort are some of the best in the world. >> talk about the physical requirements out of this cave. we're talking about what could be an eight to ten hour journey, right? you've got these boys that have spent a week without food. they had some energy gels after they were found. they're exhausted. they're hungry. they haven't seen sunlight in day, right? >> yeah. we're pretty confident that the rescuers are giving them nourishment, energy drinks, things like that, building up their strength and their ability to be able to move through the cave with the assistance of the experienced cave rescue divers. >> we just pulled up a graphic to show the cave layout there.