The three of them quickly arrived at the center of this huge research room.

In this huge secret room, the first feeling is that it is extremely messy, all the equipment is thrown indiscriminately, a large number of materials are scattered everywhere, and on the side of some research equipment, there are a large number of wooden bookshelves lined horizontally, because of the time, it is full of dust.

Li Ling walked to an iron table, bowed down, and blew on the tabletop, and suddenly the dust flew up, revealing some manuscripts that had been dusted for many years.

The manuscripts were unusually old and yellowed, and the handwriting on them was almost indistinct, but Li Ling, with his personal experience, could discern that it was a diagram of the permutations and combinations of chemical molecules, and a periodic table.

Among them, there are studies and investigations of biological and chemical weapons, and most of the content of the manuscript is expanded in drawings, and only a few need to be marked in Oriental language.

Li Ling picked up one or two copies, shook off the remaining dust on the manuscript, and carefully compared and studied them.

The more I studied, the more frightened I became, although Li Ling didn't know much about chemistry, Li Ling could still understand the basic molecular combinations.

Among them, between these manuscripts, the top eyebrows, that DNA Li Ling still knows, the following may be the molecular structure of DNA, but in these four different molecular structures, the difference is the chain fault.

The first one, unit A is missing, and the second is marked, A virus.

The second copy, with T units missing, is labeled after, T virus.

The third copy, missing the C unit, is labeled later, C virus.

The fourth, missing G units, is labeled later, D virus.

Pushing down, the A or T units are missing, the gene chain is destroyed, the balance of A = T is lost, and genetic variation is generated. Missing C or G units disrupts the gene chain, loses the balance of C = G, and produces genetic variation.

The function of the so-called A\T\C\D four viruses is to erode away the corresponding units, causing the gene chain to break and form new unbalanced molecules, which leads to the recombination of genes and the generation of new molecules.

Then, there are some materials, that is, some highly professional cases are completely stated in Oriental language, Li Ling was forced by the old man to learn several common languages, so he can still understand some Oriental language.

It's just that the content stated in these materials makes Li Ling sweat, and most of the cases are discussing how to destroy the genetic balance, and how to ensure that the experimenter can survive after destroying the genetic balance.

Mandala picked up some materials, put them away, and said, "These materials are extremely important for future research on how to fight biochemical viruses. ”

However, due to the fact that there was too much information here, the three eventually gave up.

"Forget it, when we rescue the institute and bring the scientists here in person, let's investigate." The mandala placed the manuscript he had picked up in his hand, almost ten centimeters thick, on the table.

"These are extremely top-secret manuscripts, and they may have been left behind by the Orientals before they had time to retreat." Mandala Road.

Li Ling also put down the manuscript in his hand and walked towards a bookshelf, on the shelf, some of the books were professional medical books, and some were secret archives of biochemical virus research that had been printed.

When Li Ling pulled out the book and turned the first page, a smile appeared on his face.

"It seems that God is not bad for us, I found this panorama of the underground project." Li Ling brought the top-secret file to Mandala and Tranquility.

Li Ling's fingers wandered over the drawings of the file.

"You see, we are now in this position, which is equivalent to an underground central area, the most central underground research institute, and around us, there are passages leading to the major experimental bases, and the passage we experienced when we came in just now is the test area above this pattern." Li Ling analyzed the diagram.

Mandala was not interested in any of this, but anxiously searched for the location of the only interface between this former biochemical research institute and the current underground research institute.

"This picture, why do you only have the panorama of this biochemical research institute and lack the panorama of the underground research institute?" Mandala wondered.

"Perhaps, the two institutes themselves are separated." Li Ling reasoned.

"Separated, impossible." Mandala said: "Many years ago, I knew that there was definitely a connection between the two research institutes, and it would not be wrong. ”

"Well, now it seems that the location we are in belongs to the central area, which means that no matter which passage comes out of the south, east, west, and northwest, we will encounter a large number of walking corpses." Li Ling felt that the facts were in front of him and he was not optimistic.

"Open it again, and there are no other pictures." Mandala refuses to give up the slightest hope of going from here to the underground research institute.

Li Ling flipped through the pages of the book in his hand, followed by detailed descriptions of all the areas of this biochemical research institute.

After reading a lot of descriptions, Li Ling Zhi said, if you go to the right side of Lu just now, then the danger will be even greater, because the area on the right is a huge experimental area, and there may even be some cyborgs who are more perverted than the walking corpse inside.

However, after turning the pages one by one, Mandala's eyes gradually became agitated, because this atlas did not write about the secret passage to the underground research institute.

"What the hell is it for?" Mandala was puzzled.

"Let's look on the shelves to see if there are any other books mentioning the Institute of Biochemistry." Quiet comforted the mandala road.

"That's good." The mandala agreed, and went on the shelves non-stop, book by book, book by book.

Li Ling sighed slightly, and shrugged helplessly, if there is really a so-called secret passage, then this file must be quite secret, how can ordinary bookshelves store it?

In order to find the design of the secret passage from the Biochemical Research Institute to the underground research institute, Li Ling thought quietly.

After about ten minutes, Li Ling touched his nose, his eyes were quiet, and he concentrated his thoughts on the inside of the bookshelf, and his eyes quickly browsed the names of the books on the shelf, and gradually unconsciously went deep into the innermost part of the shelf.

At the innermost end of the bookshelf, Li Ling leaned against the wall at the end of the bookshelf, depressed and wanted to smoke a cigarette, but his fingers inadvertently tapped on a certain part of the bookshelf, and with a bang, it seemed to touch a mechanism.

Li Ling looked up and saw a copy placed in the highest place, placed in the most corner and least noticed, and a huge black box popped out.

And the books stored around this black box are particularly scarce, even if there are a few, it is also a foil, to serve as a cover for the black box in this corner.

What kind of thing needs to be hidden like this, Li Ling quietly looked at the black box placed on the bookshelf more than three meters high.

In order to figure it out, Li Ling brought a ladder from the side, put it on the bookshelf, and walked towards the black box step by step, when approaching the black box, Li Ling could tell that this was a black box made of some kind of metal substance, and on the mouth of the black box, there was a combination lock.

"Something, so important." Li Ling saw at a glance that the back of the black box read, Top Secret File.

Li Ling took off the black box and started it heavy, presumably because the black box itself was made of some kind of alloy, so it was relatively heavy.

After taking out the black box, Li Ling took the black box and the mandala and looked at it quietly.

Mandala took the black box, his face was happy, and he immediately studied the combination lock, but after many tests, the combination lock still could not be opened.

"Forcibly open it and try it." Li Ling suggested.

"I'm afraid, there are some strong acids in the black box, if they are forcibly opened, they will touch the mechanism in the box, causing the strong acid to flow out and corroding some important confidential documents." Mandala's fears are not unfounded.

In order to keep the black box secret, it is often necessary to place some mechanisms equivalent to the burning of jade, so that the enemy does not have access to important information in it.

In this way, the three of them felt that they were stumped by the lock again, in fact, every time they were stumped by the lock, Li Ling was very depressed, because he always felt that being locked was stumped, which was a very aggrieved thing, because the lock was always able to block what he wanted.

", who the hell invented the lock?" Li Ling sighed in annoyance.

"There is no way to verify this estimate." The mandala picked up the black box and studied it carefully. From time to time, he would tap lightly on the surface of the black box, as if to hear if there was any other movement in it.

Generally, the master of unlocking relies on super high listening skills to open the lock cylinder one by one to achieve the final result of opening the lock.

"Let me try." Li Ling looked at the mandala road.

"Okay?" Mandala handed the black box into Li Ling's hands.

Li Ling took the black box, put it close to his ear, concentrated his mental power, and spread his spiritual power into the internal structure of the lock of the black box, and suddenly, a clear image flashed in his mind, which was a clear mechanism diagram inside the lock.

Li Ling never expected that his spiritual power could actually be used to see through something.

At this time when Li Ling was concentrating, he almost closed his eyes and listened quietly while turning the mechanism outside with his hands.

Click, one lock cylinder was touched, the deadbolt was opened, and there was another click, another lock cylinder was touched, the deadbolt was hung up, and after seven rings, all the lock cylinders were opened by Li Ling one by one.

There was only a click, and the lid of the black box was released.

Under the mandala and quiet surprised expression, Li Ling handed over the black box and said, "It's easier to pick the lock than you imagined." ”

This black box is actually a lock from the forties and fifties of the last century, it is a relatively old lock, not as advanced as it is today, if you encounter today's advanced remote control lock, fingerprint lock, or password lock, Li Ling is estimated to be no rut at all.

"Brother Li Ling, you can really do it." Quiet gave a thumbs up.

"It's just a matter of luck." Li Ling smiled, in fact, Li Ling unlocked the lock, completely by virtue of, the spiritual power is in the perspective of the structure of the lock, if the real lock picking master, generally rely on the ears to listen, experience to judge.

The mandala opened the black box, and the inside of the black box was sealed with a blue liquid sealed in a test tube, and a book from a top-secret archive.