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Snow blindness is the outermost layer of the cornea being burned. Sometimes it happens within a few tens of minutes, and sometimes it doesn't happen until the next day. Buy sunglasses for snow and ice must be careful not to buy fake. UV absorption is at least 97% and best 100%. If you can't buy soft-protection climbing sunglasses, at least choose a shape that does not leak from the top, bottom, left, or right. The ultraviolet rays on the cloudy sky are also very strong. Wear it when it is best to have snow during the day. The rope is tied on the glasses, and it hangs on the neck regardless of whether it is bright or not in the morning. It is not easy to lose. It is also convenient to wear it when you use it.
Ski goggles are generally anti-UV. It is hardly impossible on a windy day. However, plastic lenses are easily scratched and soon become blurred. Also, the inside and outside surfaces of the goggles are susceptible to fogging. The yellow orange sunglasses and goggles tend to highlight the contrast between ice and snow (the shadow under the ice and sunny days is blue). When cloudy and foggy, it is easy to recognize topography.
Sunglasses lost and no spare, in an emergency, you can use cardboard to make glasses, and then in the "lens" on the hole or draw a few slits. It seems that some mountainous indigenous peoples in the world use this method. Don't forget to wear it to leave a shadow :-)
Whether to consider frostbite mainly depends on the wind size and temperature. The balaclava is a combination of hat collar and ear cover. It is very useful in cold days. If you can wear a WindStopper and ski goggles, you can laugh loudly against the six-pole, 40 degree winds. In fact, it is not difficult to sewn one or weave it with wool. There must be a vent on the mouth, otherwise the water vapour tends to condense on the snow mirror. Not a cold day is not necessarily used. But this thing can also be used as a hat.
One of the advantages of the gas tank stove is that it is easy to point and the fire control is convenient. These stoves are generally useless in the tent. The priming process is required for the furnaces that I mentioned are not directly affected by low temperatures and directly burn gasoline kerosene. Accidentally, the flames picked up more than two feet and touched the tent of the tent. Before you reacted, your nest would disappear. So this stove must not be in the account. Outside the wind can get the outside account points, open the zipper, see the potential is not good to throw out the stove. Don't let inexperienced people point in the tent. After the flames are stable, they can consider moving the stove inwards. In fact, the gas tank stove is best to point out. The cold sky burning the tent is not a joke. The benefits of cooking in a foreign account also include avoiding things like a pot of hot soup lying in a sleeping bag.
At night when the tent is below zero, I usually put water bottles, gas cans, cameras, headlights, and all the battery stuff in my sleeping bag (not necessarily my sleeping bag).
These are winter camping experiences. Cold weather and more practice. Climbing a mountain is often how you can live comfortably, and you don’t waste your mind before you go to the top.
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