With a slight trembling finger, he flipped through the album, and inside was an old yellowed photo.

Most of these old photos are photos of Chen Xin's parents when they were young, because later, when Chen Xin was in college, digital cameras were popular, and it was no longer popular to keep photos.

Gently stroking these photos, looking at the parents who were still in their prime and just a little kid on them, Chen Xin's face had more tears.

Everything in the photographs has long since become a memory, and even the place where these photographs were taken no longer exists, and it is difficult to find them, and I have grown to the age of my parents in the photographs, and my parents are full of gray hair and old faces.

The son wants to raise but does not wait, and the biggest regret and sorrow in life is nothing more than this.

Fortunately, Chen Xin is not without the opportunity to see his parents again, as long as he can cross the thousands of miles in front of him.

Wiping away the tears on his face, looking at the old photos, and looking at the parents above, Chen Xin bit his lip and strengthened his idea of going back to his hometown to find his parents.

After tearing off a piece of paper from his notebook, writing the words "I want to go home", and pasting a family photo of his family on the paper, Chen Xin pasted the paper in the most conspicuous position in the living room.

Chen Xin, who was firm in his goal, looked at his parents in the photo, and there was no sadness in his eyes, only firmness.

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It is not easy to travel a distance of 600 kilometers in the current environment and cross four provinces to return to his hometown to pick up his parents.

Of course, it is not impossible to think, although the round trip of 1,200 kilometers, a total of nearly 3,000 miles, even before the disaster, it would take a day and a night, even if it was a train, it would take eight or nine hours, but it does not mean that the traffic is completely cut off now.

According to the information Chen Xin heard from Qin Lan, although the railway network and highway network across the country have been greatly affected, the main railway lines connecting the provinces are still unimpeded.

As the northern gate of Hunan Province, the city is an important water and land transportation point connecting Hunan Province and Hubei Province, even in this situation, there will be a train full of supplies from the direction of Hunan Province every week to provide supplies for the city and the capital of Hunan Province adjacent to this city and the surrounding counties and cities.

Although I don't know the traffic situation between Hubei Province and Anhui Province, since the railway between Hunan Province and Anhui Province is smooth, there should be a railway line between Hubei Province and Anhui Province that can be operated.

If Chen Xin just goes back to his hometown to pick up people, without considering the system, finding a way to take a train to Hubei Province is his best and only choice.

As for taking a car and walking at high speed...... Not to mention that the highway is not passable, it is just a fatal thing to drive more than 600 kilometers in this weather of minus dozens of degrees Celsius and then drive back.

If you are not careful, the car will be destroyed and people will die.

And it's unknown whether the car will be able to get through this way, not to mention the visibility of the black hand outside.

Even if Chen Xin wants to choose the road, he can only consider choosing the road by transforming his car into an all-terrain vehicle with the help of the power of the system.

However, although the road is difficult, if Chen Xin wants to return to his hometown to pick up his parents, I am afraid that he can really only choose the road.

In the current situation and environment, it is obviously impossible for the railway to have passenger transport, and under the end of the world, it is too late for ordinary people to take refuge in the shelter, who will take the train to go far away?

So even if Chen Xin might get a train ticket through Qin Lan or the SWAT team, he would most likely not choose to take the train, but drive back to his hometown by road.

Of course, the SUV in his current garage can't drive back, even before the disaster, he set off from the city with a full tank of gas, and he definitely has to refuel on the way to his hometown, otherwise he won't be able to run home.

And now, in this situation, where is there a gas station on the highway that can be opened? You can't say that you go on the road with a barrel of oil, and when you run out of gas on the road, you pour it into the mailbox, right?

In that case, in addition to the car itself having to fill up the gas, Chen Xin must at least carry enough fuel in the car to fill two fuel tanks to ensure that he can drive the car over and back.

So to drive back, Chen Xin had to upgrade his car, either by increasing the fuel tank or by changing the power.

Increasing the fuel tank is a solution, although bringing more oil also means that the load of the car is higher, but adding more water and adding water to the surface is indeed a way to solve the problem.

In a different way, the system is expected to be upgraded to an energy source that can be used for a long time, such as nuclear batteries.

Nuclear batteries are not something that only comes out of science fiction, and its official name should be radioisotope batteries, and as early as 2012, a fourteen-year nuclear battery was installed on the Curiosity rover launched by the Federation.

In the aerospace field, this technology is also gradually being widely used.

Chen Xin felt that if he could install a nuclear battery like this in his car, it should be enough for him to return to his hometown from the city and run back.

The Curiosity rover weighs 3,893 kilograms, and since the nuclear battery can propel it and has a lifespan of up to 14 years, it is not a problem to propel a car.

However, humans have not yet been able to actually apply this thing to cars, as for the reason...... The total investment in the Curiosity rover is $2.6 billion.

Of course, for Chen Xin, who has a system, he only cares about how many survival points he needs to consume to be able to upgrade his car to nuclear power.

Although his longing for his parents was extremely strong, Chen Xin had no intention of leaving immediately.

Now the conditions of his shelter are not perfect, and he has no place to live to bring his parents back, and second, the shelter is not enough to bear the consumption of three people, so he must at least upgrade the shelter as a whole, so that the shelter can accommodate more people and produce more food, and then consider taking his parents back.

Although it is more than enough for him to take care of his own life now, after bringing his parents back, it will be a consumption of three people, which is three times more than Chen Xin alone.

If you are not prepared, bringing your parents back will only make your life worse and make your parents suffer with you.

Therefore, despite his firm determination to pick up his parents, Chen Xin still decided to make all preparations before making plans to bring his parents back.

Writing these things on the paper with the family photo, Chen Xin looked at the family photo, reached out and touched it, and strengthened his determination to take his parents back.