"Oh, that's it!" Yang Yifei stroked his chin, he just thought that the pattern of this world was similar to that of ancient times! Now it seems that he thinks too much, and the terrain alone is not right.

The west of the earth is the plateau and the Gobi, and the west is the desert, which has nothing to do with the 100,000 mountains, the so-called 100,000 mountains are in the south of Guangxi, but the south of the world is a swamp, and it is basically not right.

However, the grasslands in the north are the same as the seas in the east, but the width of the northern grasslands in China is only more than 1,200 kilometers, 2,500 miles, and the world is tens of thousands of miles.

He can't figure out the specific situation now, he has neither GPS nor a map, so he can only slowly explore it in the future.

The top priority is to find a place that can be used as a base, and his request is that there is no trace of it, there must be a water source, just these two items, and the rest does not matter.

Although Yang Yifei is not a cultivator in this world, he has been in the mine for so long, and he has strong telekinesis, but his sense of aura is also very sensitive.

He could vaguely feel that since leaving the mine, the further north he farthered, the thinner the aura became, so to speak, except for some cave heaven blessed land, the closer he was to Zhongzhou, the richer the aura became!

It is very likely that this is the case, and this is also very beneficial to Yang Yifei, he does not need aura, at least for the time being.

What he needs is a place where no one disturbs, a secret poke and poke of the technology tree, and it is best to quietly build a technology empire in a no-man's land.

After all, martial arts and cultivation have developed too slowly, or has science and technology developed rapidly, think about how many years have it only taken since the Industrial Revolution to humans flying into space?

In just a hundred years, it may not even be possible to cultivate a real person or a martial sect, but the human race has transitioned from the era of cold weapons to the pre-nuclear era.

Yang Yifei didn't think that a mere real person or martial artist could withstand a nuclear bomb, let alone a wave energy particle bomb that was more terrifying than a nuclear bomb and could annihilate everything.

The most important thing is that in a hundred years, it was from scratch, and now Yang Yifei is not starting from scratch, he is directly starting from the pre-nuclear era, which is equivalent to standing on the shoulders of giants and building from a high position.

Yang Yifei carefully sensed the change in the concentration of the aura, adjusted the direction at any time, and flew in the direction of the thin aura.

And the thinner the aura, the more dead and silent it is, and there are almost no living beings in sight, because all living beings will instinctively go in the direction of the strong aura.

Even cultivators who are in a hurry will fly along the air route with strong spiritual energy, because this will make it convenient for them to replenish the consumed spiritual power at any time and make their voyage as long as possible.

Therefore, the place where the aura is thin can almost be called a forgotten place, no matter in the heavens or on the earth, no one will set foot in it, such a place is exactly what Yang Yifei needs.

I don't know how long he flew, Yang Yifei felt that he had entered a range where the aura was the thinnest, and the aura in this range was almost equal to nothing.

He is now very patient, starting with the edge of the range, probing the size of the range.

It took seven or eight hours, during which he went down to have a meal with Ma Yan, Ma Yan was already asleep in the telekinetic cover, and Yang Yifei finally poked out the area of this soulless range.

This piece of aura is thin to almost no range, about 1,300 kilometers long from east to west, about 900 kilometers wide from north to south, with an area of 1.17 million square kilometers, almost sixty and a half of the range of Outer Mongolia in China, and there is no aura in the sky until 8,000 meters in the sky.

This is the most suitable base address for Yang Yifei, even if he puts a nuclear bomb here, basically no one will know.

This soulless area measured by Yang Yifei is located in the center of the Beizhou Grassland to the east, and it is tens of thousands of kilometers away from the Luosha Kingdom in the north and the Great Xia Kingdom in the south.

As he thought, this is basically a forgotten place by humans, there are no living creatures here, only patches of endless grass, and only they, because they can't move, they have no choice, they will grow quietly here.

Even if two countries were to interact with each other, they would not pass through this area.

Yang Yifei found a small river that meandered and flowed, the water was quite clear, and the taste was not bad, but he couldn't even see a single fish and shrimp.

"This is it." Yang Yifei washed his face with river water, determined the location of the base, turned around and walked to Ma Yan, who was lying on the grass and sleeping soundly, and squatted down next to him and woke him up.

Ma Yan opened his eyes in a daze, got up, and when they flew out of the pit, it was about 9 to 10 p.m., and after a whole night of tossing, the morning sun had risen from the horizon in the east.

Ma Yan looked at the lit up sky, and an indescribable emotion emerged from the bottom of his heart, Yang Yifei could calculate how much time had passed according to each training interval, but Ma Yan didn't know how much time he had spent in that dim underground.

It feels like he hasn't seen the sun for a long time, and when he sees the rising sun at this time, his eyes can't help but turn red, well, in addition to being moved, there is also the reason why he stayed in the dark environment for a long time and suddenly saw the light.

"Big brother, I'm ...... I can finally see the sun and see the sky again. ”

"You've been in the dark for too long, you can't see the light for a while, otherwise your eyes won't be able to stand it, come, put this on." Yang Yifei flipped his hand, and a pair of sunglasses appeared in his palm.

Ma Yan took it, looked at it over and over again, and said puzzledly: "Big brother, what is this?" ”

Yang Yifei smiled slightly, took the sunglasses from his hand, and put them on his ears, Ma Yan suddenly felt that his eyes were dark, but he could see the surroundings clearly, only to feel that the sun in the sky was not so dazzling.

Then Yang Yifei took out a bunch of shampoo, soap, towels, toothpaste, toothbrushes, plastic basins and other daily utensils, and then took out a set of clothes that were smaller one size.

Put all those things into a plastic basin, and said to Ma Yan: "I'm going to start building a house now, you go take a bath first, change your clothes, tidy yourself up, come, I'll teach you to use these things, this is for washing your hair, so squeeze it out and wipe it on your head, this is the ...... for bathing"

Ma Yan held a pile of toiletries in his hand, as well as a set of clothes that he had never seen before, and walked towards the river, he said to Yang Yifei curiously: "Big brother, if you want to build a house, it depends on the two of us How long do you have to build it?" ”

Yang Yifei smiled slightly and said, "Don't worry!" Soon, and it won't be just the two of us, you'll know later, and when you're done taking a shower, I'll pass on your cultivation method first. ”

As soon as Ma Yan heard the words "the method of cultivation", his breathing involuntarily became heavy, and the people at the bottom of society like him most yearned for and envied were those cultivators who came and went.

He had dreamed of becoming a cultivator, but now that the method of cultivation was in front of his eyes, within reach, how could he not be excited.

Without saying a word, he ran to the river, threw his things on the bank, and jumped into the river with a pop.

Yang Yifei smiled dumbly, "This kid." ”