after four people died. it is raising concerns about traffic jams on this trek. too many climbers trying to make their way could make the journey more treacherous even though today s adventure seekers have sherpas and oxygen tanks. ken cool joins me by phone from mount everest, at base camp on his 10th trip to the summit. wow. amazing. good morning to you, appreciate you joining us by phone. first of all let me ask you, did you know the climbers who died last weekend? no, no, i didn t. it is very sad event on the mountain here, obviously most of the base camp was shocked. one of those unfortunate things. lots to celebrate about mount everest and when this happens it saddens the whole community. how dangerous is climbing mount everest, we talked about the crowds, does that make it more dangerous? it all comes down to management, really. this is my tenth trip here, i have ten fingers, toes and my nose, it comes down to good planning, good preparations and working with a g