At this moment, Liu Qian heard the rumbling sound again, and because he was squatting at the mouth of the passage, the rumbling sound was much clearer than before. He could now conclude that the rumbling sound was not thunder from outside, but from a depth of more than ten meters.

As for what it was that was terrible enough to make such a rumbling sound, it was not known that it would have to be found out in person.

"Did you hear that?" Jiang Jinyuan asked Liu Qian, and his expression became even more frightened.

"I heard it, I heard it before, but you didn't hear it." Liu Qian's expression still seemed very indifferent.

"Shall we go down then?" Jiang Jinyuan asked Liu Qian again with a sad face, there are advantages and disadvantages to finding a ruthless character to be his guard, if it weren't for Liu Qian, he would not have been able to reach the laboratory safely, but all this now is obviously not what he wants.

Jiang Jinyuan just wanted to restore the building's power and communication equipment as soon as possible, and then get in touch with the main city laboratory, and ask the main city laboratory to send an airship or ship to pick him up, so that he could complete the task, and let the company give his wife and daughter a large amount of compensation as previously agreed.

But now, Liu Qian apparently wanted him to go with him to the underworld below to adventure.

"Of course we have to go down, there was an unknown creature in it just now, and it was a little worrying, and now there is nothing in it, what are you afraid of?" Liu Qian shone a flashlight on Jiang Jinyuan's face, and then shone it into the underground passage.

Judging from the display of the handheld computer, except for the yellow dot that disappeared inexplicably, there was no person or zombie hidden inside the ground. But in order to prevent accidents after entering, Liu Qian still pushed hard a few more times, and pushed the iron door open a little more, and now the iron door has opened a passage of dozens of centimeters, and the crowbar is no longer needed, he can directly push it.

Although he considered that he was likely to encounter danger, Liu Qian still decided to go down and investigate, in such a secret place, maybe he could find any powerful treasures? When playing the game, it's certainly impossible to get the legendary legendary gear without risking it.

After pushing the iron door wide enough, Liu Qian and Jiang Jinyuan carefully descended the iron ladder to the empty room below. After arriving in the room, Liu Qian used a flashlight to look around, but he couldn't find anything similar to the hatch.

Could it be a secret room?

"The wall should be an electrically driven mechanical door that should be able to be pushed open to the side without an electric drive." After Jiang Jinyuan probed around, he pointed to a certain wall and said to Liu Qian. Although this is in the game world, some of the special structures inside the laboratory are similar to those in the real world, and Jiang Jinyuan is relatively familiar with these designs.

Liu Qian walked over and took a look, feeling that it was indeed as Jiang Jinyuan said, and the wall in front of him now was probably a door as a whole. So Liu Qian tried to reach out and grab a certain place by the wall, and found that this door was far less thick than the previous iron doors, and there were wheel grooves underneath, and he only pushed the wall in front of him to the side with a little force, revealing a passage in the original corner of the wall.

Shortly after the passage was opened, a bright light suddenly came in from outside, and it was very bright and dazzling, and along with the bright light, there was the rumbling sound of machinery and some strong electric currents. Jiang Jinyuan was taken aback by surprise, and almost screamed, Liu Qian seemed relatively calm, but he had been in the dark, and suddenly encountering these lights made his eyes look very uncomfortable.

The light slowly weakened, and Liu Qian and Jiang Jinyuan, who regained their vision after more than ten seconds, found that outside the passage was an iron ladder with a platform, divided into seven or eight floors.

Walking out and standing on the iron ladder to look at the past, you can see that in the center of the space, that is, where the yellow dot displayed on the handheld computer screen is located, there is a spherical or annular electro-mechanical device with a diameter of more than ten meters, and the bright light just now is emitted from the huge device.

If you look closely, it is not a spherical or circular mechanism, but a sphere of three mechatronic devices in the shape of a ring, which are slowly turning, which is what makes it look like a sphere.

When the light gradually dimmed, the rotation of the three rings also became slow, when they slowed down, Liu Qian could see that there was a platform in the center of the sphere, and there was a metal cabinet horizontally on the platform, if the yellow dot that appeared earlier represented something, I think that the thing should be in the metal cabinet at this time, judging from the historical detection data of the palm computer, the coordinates and locations are very consistent.

I just don't know why the yellow dot suddenly disappeared.

"Have you seen anything like this before?" Liu Qian asked Jiang Jinyuan beside him. In some science fiction games before, Liu Qian had also seen this huge high-tech electronic and mechanical device, and now he still felt very shocked when he saw the huge device not far in front of him.

"No, but I think those rings should be magnetic energy generating devices, large magnetic energy arrays that are generally designed to study, isolate, or shield certain unstable substances." Jiang Jinyuan observed the spherical device that was gradually losing its brightness, and replied to Liu Qian.

"Magnetic energy generators? Didn't you say that there was no electricity supply to the building? Why does it just emit such a strong light and still rotate? Liu Qian then asked Jiang Jinyuan a few words.

"When we came in, there was a thunderstorm outside, if my guess is correct, there must be a lightning rod on the roof of this building that is hundreds of meters high and goes straight into the sky, which is enough to introduce lightning from the nearby sky into this device in the building, and the thunder and lightning in the sky is one of the power sources of this magnetic energy generating device." Jiang Jinyuan then analyzed.

"There's something strange about the lightning rod in this building." Liu Qian nodded, he had been wondering why almost all the thunderbolts in the vicinity were attracted by this building, and he had guessed whether there would be some secrets in the building that needed to use these thunderbolts, but he didn't expect to be really guessed by him.

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