1.1 I was very puzzled at first, why didn't I call for help on my mobile phone, but it was explained later in the video that there was no signal there at all. Still, a cell phone is a must-have item.
1.2 It is best to prepare two, a large knife and a small knife. The reason why an accident is called an accident is that you can't know what will happen, and no matter what the accident, the knife can basically be used.
1.3 Rope, as long as the activities related to the mountain must bring the rope.
1.4 Don't think that you can shout at any time, shouting requires a lot of physical strength, but as long as you can breathe, you can whistle for help. Think about Rose's last call for help in
2. Plan carefully
2.1 Better have a company
2.2 If not, be sure to let friends or family know where you are
3. Live well
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