we ask questions about science and adventures to the hero of russia , cosmonaut sergei kut sverchkovng wind, and you without a tent? how did you warm yourself, how would you rest, it is very easy to warm yourself with the heat of your own body to have a suit, so yes. it's the special suits they're designed for, and i say if you're going, uh, for an adventure. you better think about the conditions that you will have to wait in advance, what the suit is made of. that is, that there is a climbing suit for high-altitude ascents for life literally at heights. uh, above six seven thousand meters. there pooh sleeping bag, designed for temperatures down to -45. that is, in principle, but it was possible, well, as not even that it was possible, we took off the down suit before climbing into the sleeping bag, because if you climb into the down suit, the sleeping bag it will be very hot, even minus 35 these costumes are generally russian-made. and there are russian companies that make a similar suit. and what, it means that we had some kind of chemical heaters inside , we had chemical heaters,