Chapter 39 The Long Tunnel
In the dark tunnel, the rhombus-shaped light source on the wall maintains a faint and unextinguished brightness.

In a trance, the darkness is instantly dispelled by the day, and the lights of a group of uninvited guests illuminate the tunnel, and the scenes of isolation from the outside are all in people's eyes.

The semi-circular design, the smooth cutting and polishing marks, the flat ground, the dim light glowing on the stone wall, and the glittering astigmatism of the crystal aroused everyone's curiosity.

Aisha gave Bana a look.

The latter coughed twice, stepped forward to push his teammate away, and yanked hard twice, but did not pull it off.

"It's inlaid, do I need to use a drill to get it out?"

"Then leave it to the people behind to dig." Aisha shook her head, turned around and left.Seeing this, the team members withdrew their gazes and followed closely.

No matter who digs the crystal, the harvest of this kind of grass beside the nest is at the entrance of the tunnel, and the extra time they spend is not worth the candle.

The task of exploring pioneers is to give priority to finding the remains of unknown ancient civilizations. The goals are divided into three, six, and nine grades. Knowledge, technology, orphans, and history are the most important.

"Turn on the radar, sync the map, and let's move on."

"Yes!" Hearing this, a small team member immediately reported a pile of radar from his backpack, and poked it to start scanning.

Soon, traces that cannot be observed by the naked eye continued to reflect and infiltrate the wall, and the detectors stared at the progress of the program.

The farther and farther tunnel structure feeds back information, the data is automatically imported, and the nearby 3D map is modeled.

Tapping Enter, the explorer raised the screen and handed it to the captain.

"Lord Aisha, the entire tunnel has a downward trend. Without any shelter, the radar can spread to a distance of 45 meters. In addition, there is another tunnel [-] meters underground in front of you. The tunnel itself may have many branches."

In the map, they stand on a 30° inclined tunnel and go straight down, and there is another inclined tunnel below the side.

The distance is too far to blur, but the bifurcated shape at the end can be discerned, and the modeling of the ellipsoid reveals the intricacies of the underground tunnel system.

After uploading and synchronizing the map, Aisha held her newly added map with a touch of joy on her face.

"The more complicated the better, it will be disappointing if it is a civilization like a dwelling."

The larger and more complex the tunnel, it means that the longer the unknown civilization has been active underground, the richer its value will be.

"Go ahead and report in time if there are other discoveries."

"Yes."

Under her signal, the whole team walked towards the depths of the tunnel without haste.

Team members have different divisions of labor.

Bana walked at the forefront of the team, holding a gun and keeping vigilant at all times, forming a 'V' shape with the other two armed men.

The detector is in the middle of the line with a radar in hand.

Xinglai and Wood kept pulling out strong miner's lamps and placing them on both sides of the tunnel, which were both lighting tools and road signs.

A portable mobile signal base station was also placed to act as a contact repeater with the Stone Palace logistics team.

Following the downward sloping tunnel, the team walked straight forward for hundreds of meters, and a fork appeared.

The detector looked at the road conditions far away from the branch road and issued a reminder.

"My lord Aisha, there are two roads ahead. Walk more than ten meters on the left and go straight down. The radar can't see the end, and the right side is still a 30° slope."

Vertical and inclined channels.

"Go to the left and go down as far as you can." Aisha took the left fork without hesitation.

At present, the overall trend of the tunnel is downward, and the vertical tunnel may take them a long distance.

"Going down again." Xing Lai couldn't help complaining. "I wonder if they are mature groundhogs with a penchant for digging."

"The temperature of the air is getting higher and higher."

The whole team entered the tunnel on the left, and before leaving at the end, Wood drew an arrow at the fork to mark it.

A group of people quickly walked to the end of the section, and soon realized why the tunnel went straight down.

A shaft-like deep pit runs through the ground, with a cuboid metal frame inside, and a few metal wires fall into the darkness, as if something is hanging there.

"This is..." Aisha was a little stunned when she saw this ancient mine elevator structure.

The rocker next to it may be a switch. From the perspective of style, its function is similar to that of an elevator.

"Stand back, I'm going to pull the switch."

Carefully flicking the switch on the ground, the creaking sound of the old equipment scratched his heart, and the team member who reacted the most exaggeratedly grabbed his little heart and retreated to the back.

The screeching sound lasted for 1 minute before the cage-like elevator swayed up. Although it didn't look good, it did work.

The players looked at each other not knowing what to do.

Take the elevator, afraid that this shabby restaurant will stop on the spot.

If you don’t sit, you have to dismantle it, and install other lifting equipment for convenience, which is a waste of time.

Rubbing the center of her brows with a headache, Aisha suddenly remembered that today is different from the past, and she has a large logistics team.

In the past, there was a problem with mining and shaking equipment, but now you can shake people directly.

Thinking of this, she glanced at Wood.

"Wood, please remember the data of the elevator shaft, go back and tell the logistics team to dismantle this high-risk elevator and build a reliable lifting device."

"clear."

Wood ordered at the back of the team to put down the materials he was carrying, and approached the explorer.

"The elevator shaft is 69 meters deep, 4 meters long, and 4 meters high. The temperature at the bottom of the pit is 31 degrees, and the hardness is 6 degrees..."

After the message one sentence after another was recorded by Wood, he resigned and turned back.

Not long after, Xing Lai laid down the [-]-meter zipline, turned around and handed the hook to his good friend Ji You, winking his eyebrows to reveal the meaning clearly.

"Why are the armed men staying there? Why don't you take the bait yourself and go to mine."

Bana rolled her eyes, ignored her, and quickly moved away from the 'caring teammate' with the zipline.

After waiting for a while, Bana, who had bottomed out, sent back a communication.

"This is Bana. I have reached the bottom of the well. The environment is safe. The space here looks quite spacious. There is a side room of over [-] square meters."

"Received, we will slide down in turn."

Putting down the communication, Aisha gave instructions to the team members to jump into the elevator shaft first.

Others followed suit with their supplies, and the sound of ziplines sounded continuously. It took more than ten minutes to walk the distance of less than [-] meters.

Aisha stepped into the side room below the elevator shaft, with an upward-opening gate and a square cavern.

In the middle is a closed iron stove, which is pitch black, and the main tone of the light is still pitch black, just like the true color of burning firewood.

On the side of the door, there are tables, desks, stools and chairs, tools with unknown uses, and strange crystals, metal products, and inscriptions with unknown meanings on the wall.

The teammate carefully reached into the tweezers through the gap, picked up a small piece of black substance, and took it out with two light pulls.

After a little judgment, the result is obtained.

"It's copper sulfide."

Surprised expressions appeared on the faces of all the people, looking at the 'refining equipment' of the alchemy furnace style.

"Perhaps this chamber is their smelting area."

"Anyway, let's move on."

Seeing that the atmosphere became silent, Aisha knew that she could not get any more information, so she took her teammates and left again.

Before leaving, throw down an arrow to give instructions to the follow-up team.

The tunnels here are far deeper into the mantle than imagined.

As the team went deeper, the number of parallel passages gradually increased, and the number of tunnels sloping downward decreased significantly.

Even arc-shaped tunnels, upward tunnels, began to appear.

In four hours, he has advanced more than ten kilometers, most of which are gentle slopes and parallel, and the straight line distance from the ground is already four kilometers deep.

At this time, the temperature has reached hundreds of degrees, and the thermal insulation layer that was originally close to the body of the life-support suit bounced up, acting as a buffer between normal temperature and high temperature.

Various side chambers are inevitably found on the road, but there are still no traces of unknown civilization creatures.

The winding tunnel system seriously slowed down the speed of travel, and hundreds of miner's lamps were exhausted.

In the end, the team had no choice but to follow the original path, and staggered back with exhaustion and long tunnel modeling.

 Some people say that the taste of P Society in this book is getting weaker and weaker, um... I think so too.

  Therefore, I thought of a wonderful plot arrangement that would allow the protagonist to go to the Milky Way in advance and be deceived, but there are too few updates to write. (funny)

  
 
(End of this chapter)

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