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Chapter 36 Underground Space
Today, six days have passed since the more than 500-meter-long underground passage was dug.

Although he wasted a lot of time at Mr. Chai's place, there was an entrance and exit right under the bed, which allowed him to spend more time underground every day.

There is no need to go out casually after returning home every night as in the past in order to maintain a normal and healthy schedule in the eyes of neighbors, wasting a lot of time.

As long as he got enough sleep and had no other plans, Geng Xuan spent almost all his time underground.

He didn't find it monotonous or boring at all, but rather enjoyed it.

The most important thing is that here, Geng Xuan has a sense of security that cannot be given anywhere else.

After entering the underground space, Geng Xuan pulled seven carts connected in a row, all filled with waste soil, back to the passage and hurried towards the river exit.

The abandoned soil was dumped into the river and was quickly carried away by the surging and boiling dirty river.

After quickly returning to the underground space with the empty carts, Geng Xuan filled the seven carts with waste soil again as quickly as possible.

After going back and forth for more than ten times, all the waste soil dug out during the overtime work last night was transported away, and the underground space became more spacious.

After resting for a while, Geng Xuan came to a three-meter-high facade. With his hands alternating, the dense soil in front of him was easily dug out like tofu.

He didn't load the truck, he just kept digging.

Only when fatigue accumulated in his body bit by bit and finally soaked his whole body like water did Geng Xuan stop.

He took some water from a nearby reservoir and rinsed himself briefly, then sat down on a chair feeling refreshed.

First, he took the boiling water from the simple stove next to him and brewed a pot of strong tea for himself. Then Geng Xuan took the "Chan Nu Xuan Shui Gong" and read it carefully.

Since the tunnel was dug to the house, conditions in all aspects have been getting better and better.

Fresh air, larger space, Geng Xuan would add some small elements according to his needs from time to time.

Today we added a few oil lamps in various corners to make the underground space brighter.

The next day, they built a water reservoir, which was directly connected to the well in the backyard, so that water could be easily drawn and used underground.

A chair, a simple tabletop, a stove...

Before he knew it, an underground living area that looked very simple but made him feel very comfortable was formed.

After drinking half a pot of tea and carefully reading a few pages of "The Mysterious Water Skill of the Caesar" in his hand, most of the fatigue that had originally permeated his body had dissipated.

Geng Xuan added some more hot water to the teapot, put a bookmark made of a dead leaf in it, then closed the "Cai Nu Xuan Shui Gong" and placed it on the table, then strode towards the work surface.

On the table, in addition to "The Mysterious Water Skill of the Caesar", there are three other books: "The Bone Shrinking Technique", "The Raccoon Leaping Technique", and "The Disguise Technique".

After receiving these four books of martial arts, Geng Xuan only glanced through the last three books and focused his main attention on the careful reading and study of "The Mysterious Water Skill of the Caesar".

After arriving at the work surface, Geng Xuan continued to pile the dense rock and soil behind him like digging tofu.

When digging the underground tunnel, Geng Xuan could only dig and transport at the same time because of limited space.

All the excavated soil was loaded onto the carts and taken away immediately once they were full.

After the empty car returns, it continues digging and delivering, and the cycle continues.

After the underground passage was dug through and the main task became expanding the underground space, Geng Xuan naturally separated digging and transportation.

Although there is an additional step of separate loading, the overall efficiency is actually improved.

When digging the underground passage, with the continuous improvement of capabilities in all aspects, the efficiency has reached the level of digging forward twelve meters per hour at the fastest speed, which is calculated to be about twenty-two to twenty-four cubic meters of earth.

——Although the passage is two meters high and one and a half meters wide, it is not a standard rectangle. There is no need for it, and the stability of such a structure is even worse. The higher it goes, the narrower the width becomes, and finally a natural dome structure is formed, with about two cubic meters of earthwork per meter. And now, because of the continuous deepening of the master level iron skin skill and the minor level tidal breathing method on the skin and flesh refining, the physical fitness continues to improve, and the high-intensity use of the great level of earthwork has become more instinctive, and now this kind of work can obviously maximize his ability better than digging tunnels.

Due to various factors, the amount of earth excavated by hand per hour is nearly thirty cubic meters.

In other words, if Geng Xuan put all his effort into it, he could dig out an underground space that was more than three meters long, wide and high within an hour.

In comparison, the efficiency of soil transportation has not improved much.

More time is spent every day moving earth than digging it.

Even so, without anyone noticing, the underground space beneath the courtyard where Geng Xuan lived continued to expand like a bubble.

At the beginning, this "underground bubble" that increased by more than 200 cubic meters every day was still "developing" underground directly below the courtyard.

——Geng Xuan did not gather all these underground spaces together. Instead, he divided them into upper and lower layers and isolated them inside and outside while ensuring the stability of the underground structure.

Even if the entrance under the bed is discovered by others, they will only find an ordinary underground dark room, and will not find anything else, let alone know its true overall picture.

This is a secret known only to Geng Xuan.

Later, this "underground bubble" began to spread towards the deserted woods behind the courtyard.

As the distance to the river outlet gets closer, the efficiency of soil disposal increases, and the growth rate of the "underground bubble" also increases.

Geng Xuan did not place the underground spaces close together. The distance between the two underground spaces might be tens or even hundreds of meters, and they were only connected by a long and narrow tunnel that could only be passed through in a serpentine manner.

Geng Xuan felt like he had turned into a giant beetle that was good at digging holes. He was immersed in it and never tired of it.

Ambitious, he is ready to dig a passage that passes directly under the river and into the vast wilderness, allowing this "underground bubble" that is expanding like a cancer cell under the earth to enter a broader stage.

……

night.

Geng Xuan, who pretended to have returned from practicing outside, stayed at home for a while, had dinner with Chen Xiaoyu, who was gradually becoming cheerful again, and then went back to the basement through the passage under the bed.

After a simple modification, getting in and out is more convenient, and there is no need to crawl in and out from under the bed.

The bed on the ground has completely become a decoration, a prop to cover the exit of the passage.

The basement is very small, about four or five meters long and wide, and only about three meters high. A wooden bed placed against the corner seems to take up nearly half of the space.

——This bed was made by Geng Xuan after he dismantled the one used by his father before his death, and then reassembled it in this basement.

In another corner, there were two wine jars.

A 30-jin jar of Bear Heart and Leopard Gall Wine that I exchanged from Master Chai has not been opened yet.

There was not much left in the other jar of tiger bone, deer ginseng wine.

Geng Xuan picked up the jar of wine and drank about half a pound in one breath until the warm heat filled his body. Then he sealed the jar again and sat on the bed.

I closed my eyes and felt it carefully, and realized that my body was in better condition than ever before.

The loss after Iron Skin Kungfu was promoted to the master level has been completely recovered, and skin refining has reached a new height.

Geng Xuan said with satisfaction, "Well, the breathing method can be improved a little bit."

(End of this chapter)