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The messenger's memory picture is not complete, and the field of vision is narrow. Only one black shadow is seen throughout, and the whole picture is not seen.

But at the moment the center of the valley was empty, there were no shadows, and there was no image on the stone platform.

Chu Jungui looked up at the sky, not even a messenger.

Then he remembered that all the messengers had been killed by the roses.

At this time, looking around, except for the body of smoke, the valley was just rocks, no vegetation, and no caves. In addition, the ground in the valley is very flat and does not seem to be naturally occurring.

Chu Jungui looked at the ground under his feet, suddenly squatted down, and observed carefully. The ground was as flat as a layer of polished marble, with numerous fine holes on it, as if needled.

If you don't look closely, you may think of these small holes as natural holes. However, in the eyes of the test subject, these tiny holes are arranged too neatly, and the distance error is as low as a micrometer, and ordinary humans can't distinguish the error with the naked eye. If Li Ruobai was here, he would have looked very comfortable.

Chu Jungui called Lin Xi over, pointed to the ground, and said, "There is a problem with the small hole above."

Lin Xi squatted down, adjusted the mode of the mask display, and finally saw the neatly arranged fine holes. She pressed one hand to the ground, then a shock wave was emitted from her personal terminal, and then the underground terrain was outlined with a vibration echo. After a while, Lin Xi looked at the results of the echo analysis and said, "It's all solid below."

Chu Jun returned to squat, knocked on the ground, and said, "No, it's empty below 10 meters."

A full ten meters of solid rock formation has exceeded the terrain detection capability of the personal terminal, but the test body tapped at hand and the results were obtained. However, Lin Xi has become accustomed to the various special performances of Chu Jungui. Nowadays, people are driving the construction vehicle and preparing to dig in place.

The engineering vehicle carefully bypassed the large stone platform and reached the central area.

Seeing those stone platforms, Chu Jungui moved suddenly and said, "Take away all the stone platforms and move them to the base."

The soldiers had scanned the stone platform for a long time, and the result showed that the material was ordinary stone, so they didn't care. However, since Chu Jun had been instructed, they will work in groups of two and move the stone platforms back to the mobile base.

The engineering vehicle was already in place at this time, and the multifunctional boom was extended. The impact drill had been installed on it and nailed to the ground. With the start of the engineering vehicle, the impact drill made a huge noise, constantly impacting the rocky ground.

Surprisingly, after a fierce impact, a shallow pit like a bowl was left on the ground ...

The rocky ground in the valley was much harder than expected, and even Chu Jungui was surprised. He collected the crushed stone debris, ordered him to analyze the composition, and then asked the engineering vehicle to change the drill bit and install a cutting saw.

The cutting saw of an engineering vehicle is not just for cutting trees. It can cut everything from metal to stone.

However, after another harsh noise, the cutting saw teeth were all smoothed, and there was only a shallow groove in the palm.

Next, the engineering vehicle changed seven or eight tools and switched dozens of modes. However, after scrapping several drill bits and dozens of saw blades, there was no progress except leaving a few scratches on the ground.

Exploration progress was blocked, Lin Xi was not frustrated at all, but stared at the rocky ground. It is common sense that even engineering vehicles can't figure out the materials. Needless to say, there must be mystery.

Although this rock is hard, it is not impeccable. The solution is either blasting or finding a way to the underground space.

Chu Jun returned to the engineering vehicle to stop working, took out the pistol, and fired several shots at the ground. These shots were of course inconclusive, but Chu Jungui has obtained the necessary data from the differences in the vibration echoes of the shots. With the center of the valley as the center, he continued to shoot at the ground, slowly drawing an underground structure map. In the structure diagram, a passage leads to the edge of the valley.

Chu Jun pointed to the edge of the valley and said, "The entrance of the underground passage should be over there."

Lin Xi summoned several soldiers and followed Chu Jun to the edge of the valley. There are several rock bales standing on the ground, and then the entrance is seen from the other side.

Chu Jungui did not rush in, but checked the equipment again, and took the special high-powered shotgun from the soldiers. He loaded a special armor-piercing shotgun into the gun, then turned on the spotlights of the armor, and immediately entered the passage.

Not too far into the passage, two closed doors were seen. The door is a strange black, like a glazed glass, with undulating lines on it.

Chu Jun returned to the door, reached out and touched it, felt that the material was a bit warm, but very strong.

Lin Xi pulled out his short knife and stroked **** the door. In the harsh sound, the tip of the carbide blade was completely destroyed, leaving only a light white mark on the gate.

Lin Xi fit and banged on the door, and was bounced back directly, the door remained motionless.

After a moment of groaning, Lin Xi said, "Detect signs of life."

A full-time reconnaissance soldier opens a personal terminal and starts scanning. After a while, he said, "Sir, no signs of life can be detected. But ... the detection range is only 5 meters, and it may not be."

"Forget it, put it away, ready to blast." Lin Xi just tried it out. Precision instruments such as life scanners and geological structure scanners are basically useless on Planet Four.

Just talking about the blasting, she looked at the glazed door in front of her, full of heartache. Such a special material, of course, the more complete the better.

"Wait a minute ~ lightnovelpub.net ~ Chu Jun returns to stop the soldiers preparing to place explosives. He looked at the door and instantly switched over a dozen modes. Finally, in the mode of sensing current, he saw countless branches inside the door Channel-like channels are constantly passing current. Chu Jungui suddenly felt that these dendritic conductive channels were like blood vessels of living things.

He walked over to the door, looked at the door, and then at the wall, then pulled out his short knife, plunged it into the wall, and forced down a small piece of debris.

The fragments look like ordinary stones and nothing special.

Chu Jun returned to groan for a moment, reversed the short knife, and hit the door with the handle. After a while, the internal current near the striking point suddenly appeared disordered at a certain frequency.

Chu Jungui wrote down the frequency, and then entered the personal terminal to load the research task. One minute later, the research was completed. Chu Jungui pressed his hand on the door, and the personal terminal continuously released specific shock waves, shaking the door through the armor.

The current inside the gate is gradually turbulent, and the range is getting larger. At this time, the door shook obviously, and finally banged, and it opened to both sides by itself!

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