Travel through prehistory with a commissary

Yu Xin asked most of the collection team to carry the salty soil back to the tribe first, and then personally led the rest to the river.

In addition to clay, there is red clay beside the river. Red clay is a very good tool for building stoves, kangs, and walls.

"Xin, what are you going to do with red clay?" Ming followed Yu Xin with his own basket on his back.

Yu Xin squatted down to check the soil under her feet, and replied casually, "Burning charcoal."

Ming nodded ignorantly. He is no stranger to charcoal. After the wood is burned, there will be a little charcoal left. Charcoal can not only be burned, but also can be used to draw pictures on the stone floor and cave walls. There are many murals in the big caves of the tribe. Painted with charcoal and ocher.

The priest grandfather also said that when he had saved enough charcoal sticks and ochre, he would also paint Xin's deeds and pass them on in the tribe from generation to generation.

"Do you want Grandpa Priest?" Ming asked.He naturally thought that it was the priest's grandfather who ordered it because he wanted to paint murals.

Yu Xin didn't understand for a while, so he checked the soil in another place and asked the collection team to dig here.After the collection team started work, Yu Xin realized that what Ming was talking about was the mural.

There is no writing in the Hao family, and they use murals and knots to record things in primitive ways.When the old patriarch was buried, he had seen the murals painted by the old priest in the big cave. He had to say that the old priest did have some artistic talent. He was able to draw so many lifelike stories with simple black and reddish brown.

The murals in the cave record the story of Hao's escape from the temple and self-reliance, which is the history of the tribe.

The old priest told him some time ago that he wanted to paint his story.

The old priest's attitude was very firm, and he praised Yu Xin again.Just remembering this incident, Yu Xin felt embarrassed and wanted to split in place.

Thanks to Ming, all the members of the collection team who came to dig the red soil thought that Yu Xin was burning charcoal to paint murals.

"Grandpa Priest must be very happy." A member of the collection team said.

They have a magical method for Yu Xin, and it is not surprising that they burn charcoal quickly, and they are more concerned about the murals of the old priest.

Another member of the collection team agreed: "Yes, we want to pass on Xin's story from generation to generation, so that our descendants will know that there was a great envoy from our tribe."

Ming listened with gusto, turned to look at Yu Xin, and asked, "Xin, why are you blushing?"

Yu Xin seized the opportunity and quickly took over the topic: "I'm thinking about salt. We need to burn the charcoal quickly, which will be of great help in obtaining salt."

"Really?" The collection team's attention was indeed drawn away. Although the murals are sacred, there is no such thing as salt that is related to life.

Yu Xin heaved a sigh of relief when he finally stopped talking about the murals.

When Chi and Ding returned to the tribe with their hunting team, there were more than [-] large baskets piled up on the open space in the middle of the tribe, some were empty, and some had soil in them.Chi and Ding bypassed the baskets. The collection team and the people who stayed behind in the tribe were busy. Even Mian, who had just given birth, was helping behind her back.

"What are you doing?" Chi asked.

The old priest was instructing several members of the collection team to do something, and he turned around and said, "We are building a filter pool."

"Ah?" Chi didn't understand.

Ming ran over covered in mud and said, "We are making big clay pots, and Xin said we still need a lot of big pots."

Chi understands this sentence, but what do you need so many clay pots for?

"Hey, come help!" This sentence was shouted by the wild, he should have followed the hunting team, but was left by Yu Xin to help, and he still has strength.

Ye Heli walked into the tribe carrying a big and sturdy tree, all carrying stone axes in their hands.

Chi muttered: "Why should I help you?"

While muttering, he obediently ran over to help.

Ding then called two hunting teams to help.

Ye Heli put the huge tree on the ground, and with a bang, the ground trembled.

"So many?" Yu Xin came over, also a little surprised.Not only was he surprised that there were so many two big trees, but he was also surprised that the strength of these two people was so great.

Ye Ye blushed and said without panting: "Are these enough? If not enough, I can cut down a few more trees."

Yu Xin hurriedly said: "Enough is enough, you chop all the trees into firewood, and you will need a lot of firewood in the past few days."

"Understood." Ye Heli immediately got busy, and some members of the hunting team also found stone axes to work with them.

The stone axes in the primitive society were far inferior to iron tools. When Ye Heli and the others split wood, they always used the stone ax to open a hole first, and then almost tore it off with their hands. The strength is evident.

Yu Xin went to the filter group led by the old priest again.

This group required a little technicality, so Yu Xin drew a design drawing for the old priest on the ground in advance, and then explained the functions of each place and the effect he needed.

The old priest is worthy of being called the smartest person in the tribe. He is not only smart, but also has the good quality of humility. When Yu Xin explained to him, he listened very carefully and asked questions.

Yu Xin checked the parts that had been built, communicated a few details with the old priest, and went to another group.

This group is busy putting the tribe's only big pottery pot and big copper pot on a simple stove made of stones, and then they take the cow bladder and pig bladder for water, and pour the water into the big pot inside.

The tribe with the Hao family is far away from the water source, and the water in the tribe is carried back by the collection team on foot every day, which is very inconvenient.

It would be great if the whole tribe could be moved to the water's edge.

Yu Xin helped them pour water, and then divided a basket of salty soil into two pots of water.He had the clods poked open with a big stick and stirred.

"Stir while cooking, so that all the salt in the soil can melt into the water." Yu Xin instructed.

"No problem, leave it to us." Mian said, who tied the child on his back to help.

Yu Xin didn't approve of her working now, but Mian was very active, and his face was rosy and healthy, so he was no longer a mother-in-law.The primitive people here are obviously better than the era in which Yu Xin lived, and maybe they really don't need confinement.

Because boiling the salty soil consumed a lot of water, the collection team went to the river to transport water before dark.

In the evening, Yu Xin sent out some people to barbecue and cook dinner.Ye Heli and the others had cut down the two trees into piles of firewood, and they were arguing with the hunting team.This was their habit, and Yu Xin didn't mind his own business.

He called them together, erected some of the firewood, and stacked them up little by little, making it look like a hill, about as high as Yu Xin's waist.

"Go ask the priest grandpa for some red clay." After finishing, he ordered Li.

Li immediately went to ask for red mud, Yu Xin did it himself, and led them to paste mud outside the hill of firewood.They used mud to make a shell of the same shape as the firewood pile. Yu Xin left a hole on the "top of the mountain", and then dug a hole on each side of the "foot of the mountain".

This way of burning charcoal was what he saw in a certain primitive survival internet celebrity video.

As a canteen owner who is too idle to panic, he is really well-informed.Yu Xin laughed at himself.

He used hay to draw the fire, lit the firewood from the hole above, and then said to Liheye: "It should be almost done when the fire inside goes out, just watch."

Naturally, Li Heye had no objection, but they didn't understand the intention of Yu Xin's movements today.

I want to ask, but don't know where to start.

Yu Xin didn't notice, his mind was spinning rapidly.

The soil has been burned, and after the burning, the sediment is filtered, and then boiled, um...afterwards, it is often boiled, and a stove must be built.

He planned to wait for the filter pool to be built, and then let the old priest lead them to build a hearth.

The stove cannot see the water, so a roof should be built on it.He chose an open space not far from the bonfire, and asked Chi to move all the remaining red soil here. After dawn tomorrow, he would take the collection team to carry the materials needed to build the bamboo shed.

Shuo's hunting team didn't come back tonight, probably because they ran away.

Yu Xin has become accustomed to it.

After dinner, he went to see the charcoal fire. After chatting with Ming and Mian for a while, the charcoal was ready.

Ye Heli scraped off the soil outside, and pulled out the hot charcoal inside with a bamboo pole.

Yu Xin also took a bamboo pole and pulled it. Seventy-eight out of ten of them were burnt, only a few pieces of firewood were not burned.

"I'll do it tomorrow, let's rest earlier." Yu Xin said.

Ye Heli packed the charcoal into bamboo baskets and put them in the big cave to prevent the charcoal from getting wet when it rained at night.

The next day, when Yu Xin came back with the collection team, the people who stayed behind came to him and said, "Xin, the water has settled."

When he said the word precipitation, the man was a little awkward. After all, it was a word he had just learned, and he was not very proficient in saying it.

Yu Xin immediately followed him to have a look.

The only two pots in the tribe, a big clay pot and a big copper pot, were quietly parked under a rock wall. When Yu Xin passed by, the soil inside had settled, and the water in the upper layer was much clearer.

This is the first step of Yu Xin's plan.

The salty soil found by Ye Heli following the deer contains salt, but the soil cannot be eaten directly, so Yu Xin has to separate the soil from the salt.

He asked people to boil the soil and water together, stirring while cooking, so that the salt in the soil could fully melt into the water.When he felt it was about right, he let them put the cauldron where it had been boiled to rest, so that the soil would settle and he could pour out the brine.

"This water is salty!" Ming jumped onto the big pot, dipped his finger in a little water and tasted it.

"Really?" The people next to him also came over, wanting to try it too.

Yu Xin quickly stopped: "Don't, don't eat, this water is not clean." If there are really bad bacteria in the soil, there will be in the water now, so you can't drink it directly.

"Then what should we do?" asked one of the people surrounding Xin.

"Isn't this salt water? Xin, you boiled salt water! As long as there is salt water, the tribe will be saved." Another human said, looking at Yu Xin with admiration in his eyes.

Others chimed in.Why didn't they think of boiling brine in this way?

Yu Xin shook her head: "The water is not clean, it needs to be filtered."

"filter?"

Everyone repeated the new noun.

Then I don't know who was the first to react, everyone's eyes turned to not far away, the filter pool that the old priest led people to build yesterday.