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The reason why Zhu Youzhen has great confidence in surviving is because he read a world-famous adventure science fiction novel "Mysterious Island" in his previous life. www.biquge.infoWritten in the 19th century, this 19th-century work by the famous French writer Verne tells the story of five Americans who are carried by a storm to a small island in the South Pacific Ocean by a storm and survive until they are finally rescued.

Thanks to this book, Zhu Youzhen learned a lot of knowledge about survival in the wild. Of course, "The Mysterious Island" is just a work, and that island is very different from the island I am on. But one thing is the same, that is, "if you want to do a good job, you must first sharpen your tools", and human beings, who are not outstanding in physical strength in nature, must rely on tools if they want to survive in a harsh environment for a long time. If you don't have the tools, you have to find a way to make them.

Obviously, Zhu Youzhen's existing tools are only a dagger and a kettle, which are worse than the protagonists of "The Mysterious Island". However, since he could make fire out of stones, it was not difficult to make other tools, it just took more time and effort.

Now, the most urgent problem to solve is sleeping. Since landing on the island, both of them have been sleeping in the open, which is okay on a sunny day when the temperature is quite high. But once it rains, or the temperature drops, it is too uncomfortable to sleep in the open air, especially if the two of them have no clothes.

Besides, snakes have been found on the island, and it is not known if there are any other animals. If you are attacked by a wild beast in your sleep, it will be miserable. So you have to find a place to live first.

Zhu Youzhen's first thought was digging a hole. In primitive society, burrowing like an animal is also a good choice, his advantage is that there is only one hole, as long as the hole is seen to death, the wind and rain can't blow, and he is not afraid of the attack of wild beasts. Including the common caves on the northern Shaanxi Plateau, they also evolved from ancient cave dwellings, which are warm in winter and cool in summer.

But before you can dig a hole, you first need to make a digging tool. The few small holes that were dug just now to preserve the fire were all dug with daggers. But Zhu Youzhen only has this dagger now, and it will be miserable if it is broken, so he still decided to find another tool.

Then only the stones remain. Primitive societies had the "Stone Age" because stone was the most readily available tool, not only hard, but also polished into various shapes.

The most important thing on the island is stone, which is divided into two types: one is limestone formed by coral reefs, and the other is the original magmatic rock of the island. Due to the long-term erosion of the limestone, there are holes everywhere, and the strength is not high, so Zhu Youzhen chose a relatively hard magmatic rock.

He picked up a random rock and threw it the rock formation. The stone shattered, and sharp edges and corners appeared, which was exactly what Zhu Youzhen needed.

Next, Zhu Youzhen climbed the mountain again and broke off many arm-thick branches from the pine trees near the top of the mountain. Then remove the branches and cut off a section of bark to reveal the relatively smooth trunk inside.

Then he used his dagger to dig a hole in one end of the branch, just enough to stick the sharp stone he had just gotten into it. In this way, he made a rudimentary stone pickaxe. According to this method, he can also make stone axes, stone shovels, and other tools by changing the shape of the stone in the previous section, but at the moment only a stone pickaxe is used.

After the production was completed, Zhu Youzhen picked up the stone pickaxe and dug holes in the hillside. However, to his disappointment, the soil on this small island is very thin, about a foot or so, and there is a hard rock formation in it, which cannot be chiseled at all. The one-foot-deep hole can't accommodate it, it seems that cave dwelling is not feasible at all, and it was all useless to toss for a long time just now, so angry that Zhu Youzhen rolled his eyes.

However, as soon as he saw Li Zhenyan huddled in the coconut leaves, Zhu Youzhen gritted his teeth and encouraged himself: Can't stop, can't let Zhenyan get frozen!

Now you can't be opportunistic, you can only build a house in real life. So there are two choices in front of Zhu Youzhen: whether to build a house with stones or wood?

In Zhu Youzhen's memory, many houses in the tropics are pure wooden stilt houses, and the lower floor is only supported by wooden stakes, and people sleep on the upper floor, ventilated and breathable, which is cool and dry, and is not afraid of being flooded by rain, and also has a certain protective effect on wild animals.

But now it is a bit difficult to let Zhu Youzhen build a stilt house. Not to mention that the timber had to be fastened with nails or ropes, which he did not have; The huge amount of logging work alone was enough for him to drink a pot. If it takes a month, maybe Zhu Youzhen can build a small cabin; But time is running out now, and the heavy rains in the tropics are coming, and this house must be completed in two or three days!

So Zhu Youzhen had only one option left: build a house with stone walls.

Before carrying out this "major project," Zhu Youzhen also did a necessary work, that is, he found a relatively low-lying place next to the stream halfway up the mountainside, dug a large pit, and built the edge with stones. Then he brought the stream here, so that he had a simple cistern.

Of course, there were gaps between the stones, so he plugged them with water and mud, so that there was basically no leakage. When the water is full, it naturally overflows from above. With this reservoir, drinking water is guaranteed, and as long as it rains frequently, even if the stream is cut off.

After solving the problem of water, Zhu Youzhen chose a relatively flat ground at the foot of the mountain and officially started the construction project. First he brought in a lot of large and small stones, and then dug a shallow ditch with a stone pickaxe at the location of the four walls.

The rest of the work is very simple, nothing more than the words "and mud wall". Fresh water is too luxurious, Zhu Youzhen uses sea water and mud, just using a kettle to get water again and again, his legs are almost thinner.

After reconciling the mud, Zhu Youzhen tried his best to follow the shape of the wall, building up the stones layer by layer, and filling the gaps with mud. The sun is strong in the tropics, and the mud dries quickly, and it is quite hard when it is tightly combined with the stones.

However, this work is too physically demanding, and Zhu Youzhen works from morning to night, and only builds a wall about a foot high in a day. Then he had some strength left and continued to go to the mountains to find snakes to eat. The snakes on this small island are unlucky, they originally had no natural enemies here, but now they are even more ruthless, and the amount of food is very large, and it is not enough to eat three or five a day.

After three days of hard work like this, Zhu Youzhen became more and more comfortable with his work, and the speed of building the wall became faster and faster. Finally, at dusk on the third day, when he was carrying the carcasses of two snakes down the mountain, he saw Li Zhenyan reclining in the door of the unfinished but almost one-man tall hut, smiling at him.