At night, it gets dark. Everyone has also spent some time in the dark these days. So while it was not dark yet, Zhang Gongtian and they planned to find some firewood, and there were some dead branches nearby, although they were dead branches, but the branches were relatively thick, and they were not easy to break with their hands. At this time, Officer Zhang didn't bring any tools that could be used, which was normal in the wild, and Ms. Zhang Chen found a small stone at this time.

Officer Zhang was very surprised, he wanted to see what Ms. Zhang Chen was going to do. And Ms. Zhang Chen took two stones and knocked them against each other, to be precise, it should be one of the small and purposeful knocks to make a slightly larger stone. She took the small stone and hit the big stone accurately and powerfully, and every time she hit it seemed random, in fact, every time she struck it was regular and skillful.

Ms. Zhang Chen took one side and beat it at an angle, and then knocked the other side. Yu Mo was also paying attention to Ms. Zhang Chen's methods at this time, but no one knew why Ms. Zhang Chen did this.

At this time, Ms. Zhang Chen stopped what she was doing, as if she had finished it. Ms. Zhang Chen quickly picked up the stone in her hand and looked at it, she looked at everyone's slightly puzzled expressions, so she said unhurriedly: "Look at this stone."

They had also been staring at the stone, and everyone looked at each other. Ms. Zhang Chen looked at everyone and smiled, she said: "This is the Acheuli hand axe in ancient times, invented and used by Homo erectus more than 1 million years ago, that is the production tools are relatively backward, and people rely on nature to survive, so slowly develop a variety of tools, Acheuli hand axe is one of them." Because it is simple and convenient to make, there are still people who use it in the wild, but there are relatively few people. ”

At this time, Yu Mo took the thing that Ms. Zhang Chen had just smashed out to look at it, he kept touching the stone axe with his hand, his thumb was gently pressed on a slightly sharp place, and then he slowly took it down, as if thoughtful.

And at this time, Mi Lan noticed Yu Mo's movements.

Officer Zhang was about to cut down the thicker branches with this thing, and most of the branches they encountered in this mountain were relatively thick. Officer Zhang was holding this stone axe and thinking, maybe he was used to using modern tools, so it always felt like it was troublesome to take this stone axe all of a sudden.

But it was better than no tools, he and Yu Mo found a thicker branch around him, Officer Zhang was slightly taller than Yu Mo, and he stood on tiptoe to hold the stone axe. The so-called stone axe is actually a relatively sharp stone that has been artificially made.

At this time, he took the stone axe and chopped at the base of the branch, although Officer Zhang had great strength, but he did not fully exert his strength when he padded his feet to cut the branch.

So after some tossing, Officer Zhang and Yu Mo finally cut a few branches that they were more satisfied with.

After Officer Zhang and Yu Mo pulled the branches back, they began to tidy up. Some of these branches are used by them to surround them, while the other part is slightly thinner and can be used as firewood.

At this time, Mi Lan didn't know where to pick some mosquito grass, and Mi Lan was sprinkling a little bit of each place where everyone slept. At this time, Yu Mo saw that Mi Lan was holding some mosquito repellent grass in his hand, so he stepped forward to help Mi Lan.

Miran told Yumo to scatter the grass around the branches they had brought in, and the branches surrounded their camp tent. Another advantage of these branches is that they can slightly deter the intrusion of wild animals to a certain extent.

Of course, if conditions allow, it would be better to light some fires at night. However, this is a subtropical climate, the weather is hot and humid, and this is in the mountains, there are more trees, and there is less dry firewood to find, so they have to save this little dry firewood next.

At night, when everyone was about to fall asleep, Officer Zhang was always the last to put out the fire before going to sleep. And his sleep in the mountains is relatively shallow, he doesn't know if everyone is like this. But he didn't think everyone would sleep deeply, because the night environment in the mountains was dark and terrifying. From time to time, the sounds of some small animals do come from time to time, but these animals do not pose much of a threat to them.

When everyone woke up the next day, because of the help of mosquito repellent grass, everyone did get a little better this night. Mi Lan inadvertently glanced at this time and saw that these mosquito repellent grasses were still surrounded by the outer circle of the camp, and there was nothing unusual.

Wen Cun's foot may have been resting recently, and with Milan's medicine, the injury on his foot is not so painful. At this time, the warm feet can walk slowly, but they still can't do too strenuous exercise, because the reason for flat feet will aggravate the wear and tear of the knee joint, and flat feet will change the support points of the feet on the human body due to the relatively small arch or no arch, which will aggravate the wear and tear of the knee joint.

Wen Cun may have been injured before, Mi Lan has always guessed so. And a conversation also proved that Milan's idea was correct. Wen Cun told her by chance that she had been injured when she was exercising outdoors before.

Coupled with the humid weather in the mountains, it is normal for Wen Cun's knee joints to have a faint pain, but Wen Cun will not talk about it, but Mi Lan should also be able to think about it.

Together, they choose a good weather and go for a walk around the place. Several of them followed closely in different ways, Wen Cun and Yu Mo were at the back, and Ms. Zhang Chen was in front. At this time, a few people walked while looking at the surrounding scenery, the scenery here is not beautiful, it always gives people a slightly damp feeling of a clear mountain, and there are many kinds of flowers and trees inside.

Although the weather in the mountains is relatively humid, the weather is good, and it is good for everyone to come out for activities. A bee suddenly flew over in the distance, next to Wen Cun and Yu Mo, Wen Cun stopped at this time, and Yu Mo watched Wen Cun stop and began to stop. He kept an eye on the bee, and the bee flew to a tall tree a little farther behind, and there was also a honeycomb there, and Yu Mo also noticed the honeycomb at this time. He looked up at the honeycomb and saw that the honeycomb was indeed very large.

Wen Cun told Yu Mo that it is not easy to see bees in this humid weather in the mountains, and if there is, I don't think they are ordinary bees. These bees may be more venomous, but they generally don't sting easily unless they're provoked.

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At this time, Yu Mo joked that there should be honey there. Wen Cun said that there will definitely be honey, but like this bee, their division of labor is very clear, and they are also very strict about their homes.

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