let's speak to andy eavis, former chair of the british caving association, who knows john volanthen andsentjohn and rick to thailand. thank you, gentlemen, for talking to us. thank you, gentlemen, for talking to us. i know your colleague has been texting and e—mailing john blanton and richard stanton, what did they have to say about the rescue? well, we had some information from them after they completed the dive yesterday, describing a bit of what they had had to do. they describe they had had to do. they describe the dive as being, the word they used was gnarly, which means they had had to swim upstream, hauling themselves upstream against the current for quite a way. the total diving section is about 1500 metres, and about half of that is actually submerged, and the other half is bits that are above water. so they we re bits that are above water. so they were diving and then wading a section, then diving another section before they got through to where the boys were. fortunately, the diving conditions improved over the weekend, to make serious diving possible again. the water recedin