add-on advantage. only when you book with expedia. rescuers are going to have to work fast to rescue the rest the boys trapped in the cave. what kind of conditions are they working in? >> well, in the next couple hours better than we have been. we talk about this monsoon, it's the tropical rains but it doesn't rain 24 hours a day so we get lulls. that usually happens through the overnight hour. it's 4:17 a.m. on northern thailand. you see the cloud cover. we don't have radar in this part of the world but it's indicative of how much rain is falling. clouds are higher up in the atmosphere, that depicts heavier rainfall. notice what's happened in the