But this shock really happened, they couldn't treat it as if it hadn't happened, and because of this, after a short period of confusion, Lin Cheng suddenly pulled out the Soul Breaking Sword, tried to measure the location where the vibration occurred just now, and then the blade stabbed forward violently, and instantly sank into the rock wall!

"You...... You're trying to split this rock wall, are you?! ”

Seeing Lin Cheng's actions, Bai Lingxiu raised his eyebrows and hurriedly asked.

"Or else?"

Hearing this, Lin Cheng shrugged his shoulders slightly, his hands kept moving, and at the same time replied: "I felt the vibration just now, and you also felt it, since we both felt it, and there is no change outside, then there is only one possibility......

Speaking of this, Lin Cheng's right hand holding the hilt of the sword slammed into force, and after prying a large piece of rock off the cliff wall, he continued: "You have also seen the scale of this city and the various facilities inside, it is no exaggeration to say that the facilities left in this city are not likely to be broken even in the past 10,000 years, this is a kind of high technology that human beings cannot understand at this stage, as if anything they build is permanent, as long as it is not maliciously destroyed, it is difficult to malfunction." But here's the problem, I thought about the vibration just now, and I think there is only one possibility, that is, the mechanical equipment inside malfunctioned when I pressed the button, and it was only after falling from a high altitude that there was such a big movement, since the original things in this city are extremely stable and durable, then you should also guess who built the machinery inside except for the faulty one, right? ”

After listening to Lin Cheng's analysis, Bai Ling nodded lightly, and then asked, "You mean, there really is an elevator behind this rock wall that can lead to the ground?" ”

"Eighty-nine is not far from ten......"

Sighing softly, Lin Cheng looked at the cliff that was still solid under the dozen swords, and said: "Otherwise, it is impossible to understand what the shock that can be detected just now is what happened, when that group of people came here a few decades ago, the entire Blue Star was in a stage of rapid development, and that group of people, as the first batch of visitors to arrive here, the science and technology they mastered were definitely not a grade compared to now, plus it was built all the way from above, even if the process was unimpeded, the manpower and material resources it would consume must be massive, Even so, after so many years, these elevators, which should have been quite advanced a few decades ago, should have aged a long time ago, so I said that the shock just now was very likely caused by the fall of an aging elevator! ”

"Then let's hurry, shall we?"

As soon as Lin Cheng said this, Bai Ling suddenly realized, and couldn't wait to take out a knife from his waist and prepare to come forward to help.

And Lin Cheng immediately laughed angrily after seeing the pink-shelled knife in Bai Ling's hand, this woman really doesn't know if her brain is in the water, she has been completely ineffective since she entered the city, and even now she plans to use a small broken knife that is enough to choke on fruit to chop rocks, it is so speechless and speechless.

"Go, go!"

Chasing flies and pushing away Bai Ling, who came forward to sell cuteness, Lin Cheng held the Soul Breaking Sword and slashed at the rock wall in front of him that had dug a pit, and heard a "boom", and a large piece of rock suddenly fell off the rock wall and fell to the ground after being still for a while.

Kicking away the gravel that fell at his feet, Lin Cheng kept his hands on it, and after a while, he saw that this rock wall had been cut out of a cave by him with the Soul Breaking Sword, and Bai Ling didn't even need to bend his waist when he entered.

"You can't be mistaken, right?"

Taking advantage of the time to rest halfway, Lin Cheng walked out of the cave, swept up and down on the left, right, right, and right at the entrance of the cave, and couldn't help muttering to himself.

Because according to the distance of the cavern he had dug now, the thickness of the rock was much thicker than he had expected that there would be a door here, not to mention the door now, he couldn't even see much of the bluish rock, and it was pitch black, and he had to keep turning on the flashlight to keep his excavation going.

And Bai Ling, who was not far from him and was slashing at the cave wall with the long sword that Lin Cheng gave her, couldn't help but turn her head and ask after hearing his words, "What's wrong?" ”

"Nothing ......"

Shaking his head, it was still early, he didn't want to invalidate everything in front of him because of the unwarranted speculation in his mind, and Bai Ling, who had been busy chopping rocks, didn't care too much, frowned and continued to return to the position just now and slash at the cliff wall in the cave.

"Qiang—"

"Boom!"

Suddenly, just when Lin Cheng felt that there was no drama the more he looked at it, there was a dull and abnormal sound from Bai Ling, who was working the rock wall in front of him, and he hurriedly stepped forward to look, Lin Cheng found that Bai Ling, who had been drilling in the innermost cavern, had stopped at this time, and in front of her, there was a hole the size of a head missing on the rock wall that should have been black at this time, and looking inward through the hole, with the light of the flashlight, he could see it at a glance, The material building style behind this cliff is almost the same as the underground base above, and nine times out of ten it was built by the same craftsmen!

"I've found it!"

After carefully scanning his eyes to make sure that all this was not his hallucination, Lin Cheng rubbed his hands excitedly, then walked up to Bai Ling and pushed her aside, while he stretched out his right foot and kicked hard at the rocks around the cave entrance!

"Bang, bang, bang!"

In the narrow cave, as Lin Cheng's kicking force increased against the rock wall, the sound echoed became louder and louder, but Lin Cheng couldn't manage so much at this time, he had been here for two days, and only now did he find a clue related to this underground city, and because of this, he couldn't wait to go directly into the cave to search.

"Boom!"

In the end, with a sound that seemed to be the collapse of the wall, Lin Cheng and Bai Ling, who had been blocked out, finally walked into this small room that made them extremely excited!

"It's ......"

But when they rushed into the house in high spirits, they found that this room was almost the same as the inside of the buildings outside, except for the necessary facilities, all the things that might expose the information were all cleaned up, Lin Cheng searched the house again and again, but found that except for a candy accident with a high collar for decades, there was nothing left in this room.

"Damn, I'm not going to be in the air again, is I?"

At this time, Lin Cheng didn't know whether to cry or laugh, laughing because they had finally found a breakthrough, but crying was, he suddenly found that it didn't seem so easy to really break through this seemingly simple breakthrough......

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