What ordinary people can do to prepare before the end.
I have had a strong sense of crisis since I was very young. I would put all my favorite things, wallets and various documents into the box, and would regularly change the snacks in it. Although it seemed that I didn't think much about it at that time, I never realized that even with these things, no one would save or encounter me. Certain natural and man-made disasters don't make any sense, but generally speaking, I still worry about these things from time to time, and even carry a PSK box with me. People around me always think that worrying is unfounded, and that may be the case, but at least giving myself some sense of security is not a problem.
Most of them were learned by searching for information when writing. Some of them were tried by myself and I thought I would find a place to record them. There may be some errors.
Purpose: Live an active life and love the world