Standing on the mountainside, you can see that there are many terraces below, and in fact, these terraces are all cisterns.

Large and small, there are hundreds, and each can hold at least thousands of cubic meters of mountain spring water, added together, the entire Chang'an use!

As for filtration, the mountain spring water is very clear, and there is almost no debris visible, Lin Zifan doesn't have to bother too much, just simply find some materials to complete the filtration.

For example, it is divided into three levels of filtration, with three reservoirs in the upper, middle and lower parts of the water to form a filtration whole.

For the first filtration, the bottom of the reservoir is covered with gravel, which can play a role in filtering larger debris.

For the second filtration, the bottom of the reservoir is covered with crushed charcoal, which can absorb debris in the water and improve the water quality.

The third filtration is to use muslin cloth to filter the fine debris that still exists in the water......

Although the mountain spring water can be drunk directly, after passing through the stream and entering the reservoir, it will inevitably be contaminated with some debris, so it is naturally better to filter it a little.

After making many arrangements, Lin Zifan and his party began to go down the mountain, preparing to return to Chang'an and continue to improve the follow-up work.

But at the foot of the mountain, Lin Zifan was suddenly stunned and stopped.

"It's ...... I'll rub it, won't it?"

Looking at the cluster of green plants at his feet, Lin Zifan's eyes were about to bloom...... The women were puzzled.

"My lord, what's wrong with you?"

"What's wrong with this choking grass?"

They asked nonsense, and Lin Zifan also learned from them the name of Datang about this kind of 'grass'...... Choking grass!

But...... What the hell is this choking grass! This is ...... Tobacco okay?

It's the kind that is used to make cigarettes!

Lin Zifan was surprised and delighted, everyone knows that cigarettes are not good for their health, but many people can't help but want to smoke a few cigarettes every day......

Before Lin Zifan crossed, although he was not a smoker, he was occasionally greedy, and he would want to take one in his mouth and be lonely......

Well, that's right, he's not smoking, it's the loneliness of a single dog!

After coming to the feminist world, with the empress as a companion, it is no longer as lonely as before, but occasionally when I am free, I still want to light a cigarette, but unfortunately, the conditions do not allow it......

But now he's found tobacco! Isn't that beautiful?

"It's good that my grandfather grew tobacco when I was a child, otherwise I wouldn't have recognized it!"

"However, they call tobacco 'choking grass', and obviously, this thing is indeed tobacco, after all, tobacco itself has a choking smell......

Thinking of this, Lin Zifan couldn't help but be moved: "Is this choking grass too much?"

"That's a lot!"

Zhou Xiaoyan nodded and said: "In my hometown, there is a canyon, and in the canyon, almost all of them are choking grass, and wildebeest don't like to eat ......."

"That's a good feeling!" Lin Zifan's eyes lit up, and he immediately said: "I want it, after I go back, you will do this immediately, recruit laborers in your hometown, and help me ...... tobacco , it's choking grass, collect it all and dry it!"

"What do you want this choking grass to do?" Although he was puzzled, Zhou Xiaoyan still nodded and said: "This is naturally no problem, if the adult gives money, I am afraid that within two or three days, the choking grass in the valley will be harvested!"

"That's not good, you have to leave a part of it, and when it's completely ripe, put away the seeds, and you have to continue planting next year!"

Lin Zifan immediately refused and harvested them all? Isn't that killing chickens and taking eggs? What we have to do is a long-term deal.

In this regard, Zhou Xiaoyan naturally said that there was no problem, and after returning to Chang'an, she set off to do this.

"Tsk, rare good news......"

After going down the mountain, Lin Zifan still had a smile on his face: "Cigarettes, hey, if they come out, they will be a money-making business......"

"But then again, selling cigarettes in a feminist world ......"

Lin Zifan suddenly thought of a picture......

In the future, walking on the street, there are beautiful girls everywhere, but most of these girls are holding cigarettes, swallowing clouds and spitting fog, and chatting about some interesting things......

Say a few words, take a sip, and then sink into your face......

"Mom, the painting looks like a ...... It's a bit of a surprise!"

Lin Zifan thought about it, after the cigarettes are made, they will definitely be sold, but the price will be slightly more expensive......

In addition, the empress ...... Absolutely not touched!

Well...... Although he smokes by himself, he doesn't like his wife to smoke, Lin Zifan is so domineering!

Well, in fact, this product was afraid that the empress would smoke after smoking, so he banned his smoking......

After all, according to the development history of Huaxia......

What do you smoke as a woman?

Translated to Datang's words, isn't it just, what kind of cigarettes do you smoke in a man's house?

If such a scene really happened, Lin Zifan estimated that he could be depressed to death. So, it's better not to let the empress smoke...... Well, it's best not to let her see it.

As for making money with cigarettes, that's no better thing to do.

When the time comes, label cigarettes as a luxury product for the upper class, and the value will rise along with the price!

Let's order 'a cigarette after a meal to live in the gods', 'ten cigarettes after a meal, and a graceful demeanor', 'a hundred cigarettes after a meal, directly push the morgue'...... Phew, this sentence doesn't count......

Anyway, let's have some brainwashing advertising words, in this era, isn't it sweeping across the north and south of the river in minutes, surrounded by dozens of countries?

If you want to make some money, it's easy, after all, it's a monopoly business, hehehe......

What business is the most profitable in the world? It must be a monopoly!

"It's a pity that the wine in this world tastes too bad, not even as good as beer, otherwise, if you have cigarettes and alcohol, you will live to ninety-nine, and it will not be beautiful?"

"No, women in the feminist world will cultivate, especially women in the Tang Dynasty, who live for more than a hundred years like a child, and at the age of seventy or eighty, they look like young women, and they will live to ninety-nine...... Isn't it cursing people to die early?"

"So, let's live to nine hundred and nine......? That's doable......"

As a former chef, don't like to drink? Of course, there are such people, but Lin Zifan is obviously not......

He loves to drink, and he likes to drink good wine!

Beer, inferior liquor or anything, it has to be authentic liquor......

Of course, the so-called authenticity does not refer to famous liquors such as Wuliangye and Moutai, but good liquors made by fermentation of real materials......

For example, sorghum wine, multigrain wine, and so on.

The Tang Dynasty, and the wine of the feminist world, are all fermented with 'potatoes', not to say how unpleasant they are, the problem is ...... The degree is too low! And I always feel that it doesn't smell like that.

In this regard, Lin Zifan was naturally a little unhappy.

Unfortunately, sorghum and suitable grains for sake brewing have never been found......

"Huh? wait...... Sorghum?"

Lin Zifan was suddenly stunned.

(End of chapter)