continent and they had the winds across this part of the coastline. as you can see, and we just can't brea out. a change in wind dress the more westerly direction would help enormously, but the last few days, as you saw the footage from yesterday, phenomenal winds, when you consider 100 years ago, they lived in an average wind speed of 70 kilometers an hour, it feels odd what they were capable of living through or working through. >> certainly, chris, and i'm sure it's dawned on you and the researchers, as you go to try to re-enact this expedition that if this happened so long ago, you may not have the resources you have today in order to be rescued. >> well, that's right. that's an inherent risk for working in and argument ka. this is an area of enormous change, where the big driver of global climate, really, the big