Human civilization has entered the era of rapid development, life is full of scientific and technological elements, but looking back on the past, we have forgotten the wisdom left by the ancient generation of the elderly, the only layer in the book to hear the "wood drilling" "water filtration" "paper" can really do it? We need constant efforts to explore the meaning of pursuing life.
Field survival is to overcome difficulties without the help of modern props, learn skills, cultivate the spirit of exploration, temper the will, learn to use the limited resources around to create unlimited possibilities.