Chapter 45

After serving Mo Qingyan and Ding Ning a meal at their own shelter, Chen Xincai sees them off.

After they left, Chen Xin's shelter was quiet again.

Power on the freezer, debug it and make sure it starts to work. Chen Xin put the previously harvested vegetables in and refrigerated them at low temperature to ensure that they won't rot.

In addition to vegetables, canned luncheon meat and canned pork exchanged from Mo Qingyan were also put into the storage room by Chen Xin. Instead, the box of wine was moved to his bedroom by Chen Xin. After he removed one bottle and put it in the bedside table, the rest was stuffed under the bed.

Although he usually doesn't drink too much, in this end of life, a drink before going to bed can relieve his nerves and make him sleep better. So this time, Chen Xin went out of his way to find Mo Qingyan to exchange a box of wine.

What's more, these things will become extremely rare with the coming of the end. After all, wine making needs food. When people are hungry, there is no extra food to make wine.

These wine from before the end of the world will also become a rare and valuable resource, and will become more valuable as the end of the world lasts longer.

However, Chen Xin doesn't have the idea of hoarding wine as materials. On the one hand, he has the system in hand. He just needs to upgrade the shelter. When the greenhouse has enough output, it's not difficult to make wine. He doesn't need to hoard it.

On the other hand, it will take a long time for Chen Xin to wait until the wine becomes very valuable, and such a long time is enough for him to have the ability to make wine, and expand the planting greenhouse, so that the grain yield can support his brewing.

Of course, some treasures in Mo Qingyan's cellar are very attractive to Chen Xin. Maybe you can find her to exchange some good wine in the future?

Chen Xin had this idea in his mind. He couldn't help thinking about it, but he didn't think much about it. It's not something that needs to be worried for a while.

Among the materials exchanged from Mo Qingyan today, what Chen Xin really thinks should be hoarded is canned pork.

At the end of the world, the original food output of human beings has been basically reimbursed. Naturally, there is no way to raise poultry and livestock. Meat resources will become very rare, even more than wine to some extent.

After all, wine can be brewed by growing grain in the greenhouse, but pork, beef

Even if the country has built underground farms before the end of the world, these things are destined to become luxury goods on the table of a few people, instead of going into ordinary shelters, just as they were before the end of the world.

Although the country did make a plan before the end of the world about what the refuge should rely on to get food after the end of the world, the taste of mushroom and mouse meat No one will think that these things can be the same as pork and beef.

Of course, maybe we can look forward to the taste of synthetic meat?

After all, if there is a demand, there will be a market. In the near future, artificial meat may be popular. The improvement of taste makes it taste more like meat. It should become a just need.

However, for Chen Xin, it allows him to look forward to whether the function of animal breeding will appear after the upgrade of the planting greenhouse.

If we can get the function of animal breeding, maybe Chen Xin can get a stable source of meat.

Although people will not die if they don't eat meat, malnutrition is not the necessary condition for survival in the last days. The intake of animal protein from meat is a necessary factor for maintaining human health and balanced nutrition.

Although it is not easy to be able to eat well in the end, it is obvious that it can greatly improve the quality of life in the end.

But there is a problem that still bothers Chen Xin, that is, where to find the animal's mother.

The system upgrade may enable the shelter to have the ability to raise animals, but Chen Xin's system only has the function of upgrading. He is not sure whether several live animals can be attached randomly after upgrading the shelter's ability to raise animals.

It's not easy for him to see living animals in this environment.

But maybe there will be animals in the sanctuary? Apart from other things, mice and earthworms are two of the three important food sources prepared by the country for the end of the world before the end of the world. They plan to provide valuable food for the survival of the end of the world together with mushrooms.

Just eating rats and earthworms This makes Chen Xin, who has not yet entered the state of "what to eat and what to eat" in the last days, feel somewhat baffled.

Although mouse meat can be regarded as a kind of meat before the end of the world, although it is a bit curious, it can also be regarded as a decent food. As long as the sanitary environment is controlled, mouse meat can be regarded as a good source of animal protein in the end of the world.

As for earthworms, few people really ate them before the end of the world, but in wandering earth, the earth was frozen. After human beings entered underground life, the main source of food was edible earthworms, and the concept that earthworms could eat was understood by people.Now the environment of Bluestar is quite different from that in wandering earth. After all, the environmental problems we are facing are almost the same, except that Bluestar is not as extreme as wandering earth, and human beings are not living in the underground city thousands of meters below the planetary engine.

Of course, these gaps are caused by the technological gap between the film and the reality. After all, for the real human beings, it's almost the same to dig a hole thousands of meters deep, but if we want to dig an underground city thousands of meters deep

This is beyond the limit of what human technology can do now, and humans don't really need to dig such a deep hole.

In wandering earth, we dig such a deep underground city because of practical needs. In reality, people want to avoid the extreme cold in the last days. Although digging deep enough, it's a good way to get warm with the help of ground temperature, the existing technology still limits us to do so, and it's really unnecessary.

Although the existing technology of mankind can build an underground city, for example, Montreal in maple leaf country has a 17 kilometer long underground city, which was built only in the middle of the 20th century, more than half a century ago.

But the depth of the underground city is only the depth of the underground buildings under normal circumstances, which is equivalent to the depth of the existing underground pedestrian passageway or pedestrian street. It is not exaggerated to the depth of 5000 meters below the surface in wandering earth.

In fact, under normal human conditions, it is almost impossible to construct at this depth.

Moreover, although the underground city of Montreal is not deep, it can withstand the long winter of 40-30 degrees below zero for four or five months every year.

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