Detailed text transcripts for TV channel - MSNBC - 20180708:12:15:00
The oxygen in our air we normally breathe is at 21 prls. it had gone down in the cave complex to 15% which means it was getting similar to what mountaineers experience, let's say, on mt. everest. very, very thin air and the possibility that the body weakens quite suddenly. you might not even know it. so falling ouks general levels were a real health concern. the other thing was falling rain. a few hours ago there was an immense cloud burst here that immediately flooded the area around me. so that kind of rain water going into the cave complex would undo all the work of pumping that water out t...