because they have to introduce the boys something they have never done before which is this complex underwater dive. >> and it would be a level of trust, too, would it not, if you had british divers who maybe they speak the language but they're not necessarily as fluent as a thai diver would be. there might be a little concern or reticence with this kid who has to trust these guys to take him through water. >> it has been two weeks since the boys have been trapped in the cave. polo sandoval has been monitoring the situation. polo, take us through this. can you give us an idea of how it's unfolded up to now? >> joe, it's during overnight