The four of them walked in the mountain depression with one foot deep and one foot shallow, and Li Luant couldn't help but ask, "Why is this place different from the previous underground fortress, completely disconnected?" ”

Jing Qiongshuang is not salty or light" is very simple, because this was originally a huge group of catacombs, but it was modified by a group of latecomers to become like that, and even if they did, they could only change part of the structure, and they could not completely turn the world upside down. ”

"You mean those things can't catch up for a while? We're out of there altogether? ”

It's fake to say that you're unhappy, and who likes danger?

"Sort of, but don't get complacent too soon, here, there are more terrible things waiting for you than the walking dead, and the safety you think is only temporary."

Before she could speak out happily, the black glasses poured down a basin of cold water and extinguished the spark, and it was obvious that everything Jing Qiongshuang knew was also what the black glasses told her, presumably it was the "secret meeting" that was held while she was dreaming, but what could only be told to Jing Qiongshuang but not herself? I've been born and died with him so many times.

Also, what is "that thing" in the mouth of the dark glasses, and what could be more terrifying here than the tens of thousands of walking corpses?

"By the way, Shell Lang, you said before that you know how the old immortal controls the walking corpse, but you didn't say, what is that?" Wogua asked curiously.

"It's simple—" Li Luant whispered back, as if annoyed by his sluggishness, "It's the airwaves." He should have thought about it a long time ago, but the situation was always complicated and changeable, and he was not allowed to think too much.

The four of them followed the rugged road and the guidance of the black glasses, picked up and walked from the rugged rocky depression, and stopped in front of a secluded cave after about five minutes.

The height of the gravel at 10 o'clock is 5 meters, the scattered area is 18.9 square meters, and the gravel that is concentrated at 4 o'clock and 5 o'clock has a cloth-like interface......

At this time, the data in Li Luant's mind was running at a high speed, and a transparent mind map suddenly appeared, and behind the mind map was a three-dimensional scene, which restored everything that happened here as much as possible.

Several personnel in camouflage uniforms are seen holding detonators in their hands, while others are measuring the length of the leads. It was originally a hermetically sealed mountain, completely separating the entrance to the cave, and I don't know how they determined it until—

Until there was a scene where dark glasses appeared, and he held an analyzer that appeared to be a flat plate in his hand, looked at the analyzer for a moment, looked around again, and finally confirmed with everyone the detonators that needed to be used and the location of the detonation.

Is it a bulk 0.5 mm thick column, or is it a hot wire detonation, emmmm...... In order to avoid the disadvantage that the explosion diameter of ordinary initiators is very small, the size of thickened charge column is also selected, because the average detonation velocity of general initiators is 1500m·s-1, if it is a press-charge charge column, impact ignition, the detonation velocity can reach 1700m·s-1, and the detonation speed of the charge column with a diameter of 0.3~0.4mm and a height of 1cm is about 1500m·s-1, and the stable detonation velocity when the crystal size is 50~200μm is generally 1 880~2400m·s-1. The thickened column size can still be detonated when the diameter is 25m, and when the diameter is reduced to about 10m, the maximum combustion rate is about 7m·s-1.

Li Luant tilted his head sideways and looked at the dark glasses, "Is it silver azide?" ”

Although she knew Li Luant's superiority, Jing Qiongshuang was still surprised, from a professional point of view, of course, she could see that blasting operations had been carried out here, but he had not been at the scene, how could he know what the explosives of the operation were at that time?

Glancing at the black glasses a little uncertainly, the black glasses nodded slightly, confirming Li Luant's guess, Jing Qiongshuang gasped: It's true.

Black Glasses wasn't too surprised, after all, Li Green Ant's full strength has not been fully demonstrated, this is just the tip of the iceberg, in the original Snow Leopard Commando, the brain comparable to a supercomputer Li Reform, that is, Li Green Ant's father, can make the commander-in-chief tremble.

In fact, Li Luant guessed very simply, the initiation speed of silver azide reached 3830m·s-1 at a density of 2g·cm-3, and the detonation rate at the maximum density was 4400m·s-1. The charge density of silver azide detonation velocity is 2g·cm-3, and in this case, the charge pressure for the detonator is equal to 40 Pascal×102 (MPa), at this time, the lead azide which is very high compared to the detonation efficiency, and even exceeds the detonator several times, will naturally become the first choice.

It's just that Li Luant has a little academic doubt, according to the situation caused by the explosion, the effect is very good, but according to the results, it seems that when they chose to use silver azide, they did not overcome its biggest drawback, that is, a certain crystal form of silver azide with extremely high friction sensitivity limits its application, although at the beginning of the configuration, the concentrated solution of silver nitrate and sodium azide can be mixed in a certain proportion to form a colloidal silver azide polymer, but this form of silver azide has a lower sensitivity than the crystal in the solution.

Another way to reduce the sensitivity of silver azide is to add an inert absorbent to the silver azide solution, in which the inert material separates the crystal molecules from each other, but the presence of other substances in the silver azide precipitation, such as cyanamide ions, will lead to an accelerated decomposition rate and a lower burst temperature.

How did they overcome this technical difficulty?

As soon as Li Luant was about to ask, the black glasses beckoned to the three of them, and the three of them quickly entered the space where the explosives exploded.

It wasn't until he came to this space that Li Luant could be regarded as in the real sense, in this bottomless Lop Nur underground, he saw the ruins of Loulan for the first time, not a military fortress that had been transformed by anyone, nor an undeveloped wild land, it was the ruins of Loulan in the real sense!

The excitement is palpable.

The space is unfolded in the form of a round table, the whole space is out of the previous boxy, about every quarter of a circle there will be a stone prayer building, the stone wall is carved around some murals, because the color peels off for a long time, has lost the original splendid and colorful, but those murals such as fighting beasts, ten thousand flowers, worship, and procession, must be swaying and colorful when they are first carved.

The roof is paved with glazed tiles, which at first glance looks like a kaleidoscope of colors and transparency, but the reason why the four of them have been in for so long is that the glazed tiles on the roof seem to contain a unique liquid that not only shines in the dark, like fireflies, but although the light is dim, it can still bloom after a thousand years.

It's magical.

This kind of chic and delicate structure is also the first time Li Green Ant has seen it, and it is even unheard of.

As we all know, in the known cognition of human beings, in addition to the sun itself can emit light, many other things need the sun to reflect light, and generally the things that can emit light by themselves have their shelf life, such as fireflies, such as candles, such as lamps, such as lover's eyes...... Even if these things emit light, they need to go through another process, and precisely because there is no perpetual motion machine in the world, the things that can emit light themselves are even more precious.

But here, in this ancient Loulan, which has almost disappeared from the stage of history for thousands of years, it is shocking that it has something that can shine on its own and preserve it for thousands of years.

However, it will soon be discovered that these rays of light are not for the intruder to show the way, but for-

Before he came to his senses, a sarcophagus that was originally placed in the center of the room was unintentionally ignored, and when Wogua found that he wanted to open it, the black glasses just said lightly: "It has been opened, and it is empty inside." ”

Oh roar –

The spirit that Wogua had just started was vented again, after all, he was counting on some treasure in this to help him make a fortune.

Li Luant found that the hole that was blown open happened to be at the entrance of the tomb, and looked at the entrance, but the entrance was a little weird: because the entrance of each tomb has a thousand catties of stones to stop the tomb robbers, it is normal for them to have no return, but the thousands of catties of stones in this tomb seem to have been destroyed by someone, but they have tried every means to make them land.

Of course, it's not that he can't get along with himself, but Li Luant guessed that there may be a group of people before, and what happened to them, even if they couldn't escape, they still resolutely chose to do so.

The question is, what danger is more terrifying than being trapped here?

What's even more strange is that if it is really what I think, then the bodies of those people should be in this room, but they are not here?

The dark glasses said that they had forcibly entered, which meant that before they opened the hole, this place must have been intact, such a thick jack of stone, without silver azide, it must be difficult to do, where did those people go?

Could it be that there is another exit to this place?

The black glasses slowly walked behind Li Luant, who was in deep thought, but he didn't hear any movement at all, and when he felt someone standing behind him, he found that it was the black glasses and was startled.

"Why are you here?"

"You can see it, too." The dark glasses seemed to have a certain certainty, "There must be another exit to this place." ”

No wonder the black glasses didn't want to leave in the first place, but came here, it turned out to be for another exit. Li Luant touched his head, a little awkward, "To be honest, it is estimated that there is a second exit, but I don't have a clue, so I haven't figured out where it is for the time being." ”

The face of the black glasses changed slightly, and his tone suddenly became a little urgent: "You must find another exit here, I took you here to risk great danger, after a long time, those things will come out soon!" ”

Those-something??

Li Luant had never seen the look of black glasses, and muttered a little in his heart: Why do black glasses look different from before? Whether it's movement or demeanor. However, thinking that the black glasses were so seriously injured, maybe it was the sequelae left after the injury, and I could only reluctantly "I'll try my best." ”

"Not as much as possible, but by all means!"

For a while, Jing Qiongshuang, Wogua and Li Luant all looked at the black glasses curiously, and the black glasses seemed to realize that their tone was a little excessive, and they immediately took a deep breath, but their eyes kept glancing out, as if they were a little worried.

Strange, since the dark glasses also said that this place is isolated from the military fortress, the danger of those walking corpses is not enough, is there anything more dangerous than the walking corpses?

However, it didn't take long for Li Green Ant to see this terrifying existence.

The problem now is that Black Glasses has a certain degree of certainty with himself, and feels that there will be a second exit here, since this is the case, it needs to be found, Li Luant's intuition is to open the sarcophagus, but at this time, Black Glasses' strange behavior reappeared.

"There's nothing in there, you can't open the coffin."

？？

Wogua tentatively said, "Boss, how can you confirm that there is nothing in the coffin if you don't open it?" ”

"I've seen it."

"But Boss, it's all walls, and the only thing you can't see is inside the coffin, don't you want the shell to find the exit?"

The black glasses calmly and word by word, "I said, you can't open the coffin." ”

For a while, the atmosphere was weird and wrong, even Jing Qiongshuang smelled it, and she frowned slightly: The team leader is indeed a little wrong.

Time passed minute by minute, Li Green Ant looked up and down, left and right, front and back, inside and out, except for the mysterious coffin, I didn't look inside, the rest of them were seen, not to mention, I didn't even see a cockroach, and I couldn't help but start to doubt my thoughts: Could it be that I guessed wrong?

"Whoa—"

It seemed that dozens of pit vipers spit out the sound of snake hyacinths in unison, which suddenly made everyone's nerves tense, and the black glasses "soared" with a high alert, and the low "It's not good, they're still coming." ”

They?

Black glasses know??

Know they're going to come to this place?

Li Luant has always felt that something is wrong in his heart, although he turned around just now and knocked all the floor tiles with his knuckles, he still didn't find the way, but in some places, he clearly saw bullet holes and traces of fighting, these traces are very new, and even the dust is not completely covered, no more than a month at most.

Is it dark glasses?

With the ability of the black glasses, these strange things will definitely be discovered by him as soon as possible, unless the traces themselves are their doing, but since it was the black glasses, why didn't he take the initiative to say it?

What's even stranger is that-

Li Luant looked at the tightly covered sarcophagus again - what was the purpose and reason of the black glasses, and never let us see what was inside?

When Wogua heard this "bang" sound, he had goosebumps all over his body, as if he was about to go to the toilet at the same time to poop and urinate at the same time, but he couldn't find a toilet, and even goosebumps with sweat and hairs stood up awkwardly, he turned around and stroked his arms, but at this moment he heard an urgent shout.

"Wogua! Be careful!! ”

"Bang-huh-"

A sharp silver thread flew out like a puff of smoke, grazing Wogua's neck, and spun around and nailed to the wall parallel to Wogua's eyes.

Wogua was suddenly furious, "I said big sister, you-"

The world survived in matter and antimatter, through the Cambrian, Ordovician, Silurian, Devonian, Carboniferous and Permian of the Paleozoic Era, and then to the Triassic, Jurassic and Cretaceous of the Mesozoic Era, and then the Tertiary and Quaternary of the Cenozoic Era. In the strata of different periods, most of them have preserved standard fossils of ancient animals and plants. There is a certain order in which all kinds of animal and plant fossils appear, the lower the fossils, the earlier they appear, and the higher they are, the later they appear.

Absolute age is a calculation of the actual number of years since the formation of a rock based on the measured amount of a radioactive element and its metamorphosis products. The older the rock, the older the stratum. Each geologic time unit should be the number of years ago when it began and ended in the number of years ago, so that the total number of years can be calculated.

And in these years, the single-celled animals that crawled ashore from paramecium continued to evolve, and some animals survived tenaciously on the planet of the earth, from ancient times to the present, the bloodline was preserved quite completely, and the changes were not large, the most typical example is the chordate Komodo dragon, also known as the Komodo dragon, the magic dragon.

This group is the largest known species of lizard. Komodo dragons are ferocious, and adults eat the juveniles of their own kind and sometimes other adults. Able to move quickly and attack humans; However, it mainly feeds on carrion, and goes out of the hole every day to forage for food thousands of meters away. The largest precisely measured specimen in the family was a male specimen presented to an American zoologist by Bima Sultan in 1928. It was briefly exhibited at the St. Louis Zoo in Missouri, USA, in 1937, when it was 3.10 meters long and weighed 166 kilograms.

Wogua turned around to take a look, but saw a pus-filled black lizard about one meter long and about a bucket wide, spitting snake hyacinth, lying on one of the stone prayer buildings, just a stone's throw away, staring at this delicacy with scarlet eyes.

The whole thing was pitch black, covered with fine and evenly distributed scales like pit vipers, but most of the scales were arched high by pustules of pus under the skin of some unknown lesion, pitted, and a bit like a fisherman's net, its whole body was black, its claws resembled those of a turtle, with pointed barbs, and its head was more like a cobra in the desert, in an inverted triangle, showing a cunning and greedy appearance.

Just when the nest was dumbfounded, from the big hole that was blown up before, many creatures that were exactly like this thing crawled in one after another, not to mention a dozen, and are there any of them outside? I don't know.

"Damn, what the hell??"

The group of pus-filled lizards in front of him moved extremely fast, but their brains looked a little bad, because the knife that Jing Qiongshuang threw at the crisis moment of the nest gourd just now had obviously cut off a piece of the purulent lizard's scalp, but the pus-filled lizard was still looking at the nest gourd, and it seemed that it would never leave without eating the nest gourd in its stomach.

Wogua was so frightened that he trembled, and he almost wanted to go first, but the scarlet and vicious eyes of the pus-filled lizard, with the snake letter that bubbled out, scared Wogua's legs weak, and even Jing Qiongshuang almost hit him just now and forgot to go out of the clouds.