Duan Tiannan told Lu Wen a very simple truth.

There are no eternal enemies in the world.

If one day, he would not be surprised to see Lu Wen and Zero cooperating.

"Back then, we were all very young, and there was a big event in the north at that time - the androids built a city."

That city was called Eden.

The dawn of the androids.

And that city was recognized by two human cities in the north.

Many people flocked to the city, but did not find the location of the city.

Gradually, the city became a legend, a legend known to almost all awakened androids.

"Is there really a city?" Lu Wen asked, thinking it was just a trap.

"Yes, but not on the ground, so none of those guys were found, and the number of androids in there was ...... It is impossible to estimate, and it is so frightening that 90% of the awakened androids in the entire north have merged into that city. ”

"There is a city underground?"

This is not the first time Lu Wen has heard this statement.

The last time the body in No Man's Land captured the Enforcer's squad, one of the Enforcers referred to the people of Eden as ground rats.

At that time, Lu Wen was speculating whether the mysterious location of Eden would be because it was not on the surface at all.

"If there is a floating city, why can't there be an underground city?"

Duan Tiannan pointed to the floor of the bar.

"The city of Mou was built on countless abandoned cities, and the reason why the world is so desolate is not because of a certain war, but because of the vicious circle of countless population explosions - wars - population decline since the birth of mankind."

One city is stacked on top of another.

Layer upon layer.

"Some underground cities have completely collapsed and are buried in sand, while others are just a layer of surface covered by wind sand, and some are more special, such as the center of the inland sea in the 15th district, there is a small submerged city."

Lu Wen was thinking that if the wind and sand were to bury the city, it should be buried little by little.

Why is there room underground?

"What does it mean that the surface is covered by wind and sand?"

"That's what you mean by that."

"Impossible."

"Never say impossible."

Duan Tiannan took out his mobile phone and opened the map.

He found the location of the first district on the map and zoomed in to show Lu Wen.

"There's a building in the first district, and you've been on for almost three weeks, and you don't even know about it." He pointed to the picture on his phone, "That building is called the Xincheng Building, and its underground foundation is the roof of another building, and that building is buried deep underground." ”

"You mean, the underground of Mowu is empty now?" Lu Wen felt a little incredible, he had never studied architecture, but his subjective feeling was not very credible.

"Very few places are empty, most of them have been compacted"

"Why is this happening, didn't the city of Mowu think about completely bulldozing the ruins of the previous city when it was built?"

"How do I know?"

Duan Tiannan shrugged his shoulders and took a sip of wine to moisten his throat.

"It's uncomfortable to talk to you androids, don't you feel dry when you talk too much?"

"No, it won't."

“……”

Duan Tiannan explained to Lu Wen how the Eden was built.

"At that time, those androids stumbled upon an underground city, I don't know which war it was, deep underground."

"The underground space was almost completely swallowed up by the sand, and little by little they transported it to the surface and began to reinforce the expanded subsurface space, and they continued to reinforce it until the last time I left, and maybe until now."

Duan Tiannan took out a pendant from his pocket and made it out of bullet casing.

Throw it to Lu Wen.

"If one day, you want to go to that city, this is the pass."

Lu Wen picked up the pendant and looked at it carefully.

The bullet casing has a robotic face engraved on it.

"By the way, there is an empty underground city near Baker City, which is relatively intact and has become a scenic spot after reinforcement, but you have to sign a waiver agreement before you go in."

"How did that Underworld come to be?"

"At that time, the city was built between the mountains, and it is said that taking the elevator to the first floor, standing on the balcony on the first floor and looking down, there are more than 30 floors, a very pitted place, without an elevator will tire people to death."

Duan Tiannan explained.

"Experts speculate that the tall buildings on the top of the mountain have fallen and are supported by numerous buildings on the mountainside or at the bottom of the mountain, forming a natural barrier, and then covered by wind and sand...... In fact, as long as you are not blind, you can see it at a glance. ”

Then he began to tell Lu Wen about that trip to the north.

It was winter, and he was going to find the legendary Eden.

Later, he really found him.

And I tried my best to get the passnote

Later, he got bored, so he wanted to go to the extreme north to have a look, and wanted to engrave words like "Duan Tiannan came here for a visit" at the North Pole.

Then I was trapped by the wind and snow.

"The news said that it was a once-in-a-century blizzard, and I was wondering how the news would know that it would only happen in a hundred years......"

Young Duan Tiannan was trapped in a small cabin.

All the roads were covered with snow, and many of the birch trees outside the house were covered with nearly half of the trunks.

This chalet is far from the North Pole and is not a walk that can be completed in a day or two.

The house is set up with an iron pot with potatoes and beef stew.

It's sticky, gurgling and bubbling, and doesn't look like much of an appetite.

Trapped in the cabin were Xia Zheng, Zero, and the rest of the people.

"You're in the same room as Zero? You didn't shoot him? ”

"How can there be an eternal enemy, and it is just a clone of Zero, at that time, there was more hope of going out with one more person, the snow was really big, for several days, most of the wooden houses were surrounded, and the door could not be opened."

Duan Tiannan was purely to go to the North Pole to have fun, but the weather was too bad.

And the rest said that they had gotten the news and went to the far north to find something.

The group sat around a warm fire.

From time to time, Mars bursts out and crackles.

Duan Tiannan's body was wrapped in a thick green coat.

The temperature in the cabin was normal.

A faint mist had risen from the glass windows, and the snow had obscured the view from the windows.

The aroma of beef stew with potatoes fills the air.

They hold nostalgic green iron cups with a faint red five-pointed star printed on them.

The owner of the chalet was a stout bearded man and hospitable, served each of them half a cup of goulash, and then began to play and sing their local folk songs.

The memory in that period of wind and snow is not too clear, but every time Duan Tiannan thinks of it, he sighs.

"That's the best goulash I've ever had."

"What are they looking for in the far north in the summer?"

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