Six Hundred Seventy One Down

After Ye Han finished speaking, ignoring Xue Ju who continued to be confused, a communication was connected to the Tiangong number: "6o1 called Tiangong, and received a clear answer!"

"Tiangong received it, 6o1 please tell me!"

"Tiangong, please scan the target area immediately and calibrate the abnormal temperature area."

"6o1, I don't understand."

"You don't need to understand, just do it, the sooner the better... Also, I'm not talking about area one, but scanning all target areas!"

"6o1, I'm 1o4, what's the situation?" Gao Kai's voice appeared in the communication.

"1o4, we found a hole in the No. 1 area..."

"Ant nest?" Gao Kai asked excitedly.

"It's not confirmed yet." Ye Han said.

"Then what do you mean?"

"This cave is emitting hot steam. I thought, if the wolf worm hides in the cave, the temperature inside the cave must be higher than outside. Whether it is a karst cave or a cave, generally the water vapor is higher than outside the cave. Some caves still have The source of water, there was a heavy snow last night, and the temperature has not recovered until now, the warm water vapor in the cave burst out from the entrance of the cave, the fog must have risen, and the temperature at the entrance of the cave should be a little higher than the ambient temperature."

"It makes sense!" Gao Kai's eyes lit up, "I'll report to the commander now, and you immediately arrange for people to scout the situation in the cave, get first-hand information as soon as possible, and determine whether there are wolf worms in the cave."

"yes!"

After the communication ended, Ye Han let out a long breath: "Get ready to enter the cave!"

Everyone responded in unison, immediately sorted out their weapons and equipment, and prepared to enter the cave.

When Ye Han communicated with Tiangong, the last armored vehicle also arrived at the scene. Ye Han left half of the manpower to guard the vehicle, and the rest went up the mountain with him.

The hillside is too steep, and the armored vehicles don't have that strong climbing ability, so they can only drive to the foot of the mountain, and everyone climbs halfway up the mountain on foot.

The shape of the cave entrance is very irregular, the long diameter is almost two meters, and the short diameter is only about one meter. The dark cave is vertically downward, and it is impossible to tell how deep it is.

What kind of cave is this? An underground cave is right.

Ye Han took out a fluorescent stick, broke it twice, and shook it a few times. After the liquid in the fluorescent stick was fully mixed, he let go and threw the fluorescent stick into the hole.

The rapidly falling faint light illuminates the cave wall, and Ye Han found that the cave wall in the depths of the cave is very flat, not like a natural formation, and he suddenly had some guesses in his heart, thinking that the cave wall is not naturally formed, and there may be wolf worms in the cave. A little more sure.

The light stick fell to the ground after a few seconds. Ye Han made a simple calculation and calculated that the vertical depth of the cave was almost 20 meters. This height was far beyond his expectation.

But thinking about it, it's not surprising. The wolf worm is a typical giant insect with amazing climbing ability. Not only is the vertical hole not an obstacle to the wolf worm, but it may be the first line of defense for the worm nest.

This thought instantly appeared in Ye Han's mind, and he burst out laughing.

All the animals in Siberia have been eaten by giant worms. It can be said that the wolf worm is the overlord of Siberia. Who would dare to go to the wolf worm's lair to run wild?

Even Ye Han himself didn't notice, he had already determined that this hole was one of the lairs of wolf worms.

Ye Han took off the rifle behind his back, pulled the bolt and loaded the bullet: "I'll fire first!"

"Chief of Staff, I'll go first!" Xue Ju immediately jumped into the cave ahead of Ye Han, stretched his feet to support the cave wall, rinsed the sand and soil, rustling.

Liu Bin also took a step forward, only a little slower than Xue Ju, and jumped into the hole second.

The soldiers who dared to let Ye Han go down first rushed up one after another, but Ye Han stood up and stopped him: "I order, follow me!" After saying that, he jumped into the cave with his rifle in his hand.

The same is pushing the wall with both feet, but Ye Han did not prop up his legs and use friction to descend like Xue Ju and Liu Bin, but fell a certain distance and kicked hard against the wall of the cave to slow down the speed of the fall.

Just pedaling left and right like this, Ye Han quickly fell to the bottom of the cave.

Xue and Liu, who arrived earlier, were already on alert with their rifles in hand. As soon as Ye Han's feet landed, he found that the ground was extremely hard, definitely not a layer of soil, but he didn't have time to observe carefully.

Immediately stepped forward and raised the rifle.

Behind him, the soldiers landed one by one, and soon formed a semicircle with their backs against the entrance of the cave.

The cave was pitch black, and the only light source was the cave entrance behind him. With the help of the faint light, the night vision device could barely see the situation in the cave clearly.

This is a typical underground karst cave with an extremely complex terrain, stalagmites and stone pillars as far as the eye can see, and various fault fissures. Just five or six meters in front of the foothold of Ye Han and others, there is an underground cliff.

Ye Han approached the cliff cautiously. It was so dark that he couldn't see anything clearly. He threw a fluorescent stick down. Everyone was shocked to find that the so-called cliff was actually an underground river valley. The vertical height of the valley was no less than 30 meters. The underground river gurgled, and the river water vapor rose in the full-color night vision device.

A small stream in the cave flows down to the edge of the cliff and falls from the sky, turning into a waterline and merging into the river. This scene is amazing.

Standing on the top of the cliff, the temperature outside the armor was seven to eight degrees above zero. Through the observation of infrared equipment, the temperature of the river water was not lower than fifty degrees above zero. Obviously, it was not an ordinary river, but an underground hot spring!

Everyone is familiar with hot springs, but no one has ever thought that rivers formed by hot springs can be found tens of meters deep underground.

This reality is really surprising, but there is nothing wrong with thinking about it carefully. Hot springs are originally formed by groundwater under the action of geothermal heat. Only those that flow out of the ground are hot springs. The ones that have not flowed out of the ground are not the same as before. ?

The reason why they are so surprised is that everyone is so rare and strange.

The focus of Ye Han's attention is not the hot springs and cold springs, but the ambient temperature in the cave!

With this underground river formed by hot springs, the temperature in the cave can't be too low no matter how low it is, not to mention wintering for wolves, even if people live in it for the winter, there is no problem at all.

That hole was obviously not formed naturally, and the wolf worm really chose a good place to spend the winter!

Liu Bin, who came back to his senses, asked in a low voice, "Chief of Staff, where are we going?"

Ye Han pondered deeply. The distance between the two sides of the valley is about ten meters, which means that the width of the river is no less than ten meters, and the temperature of the river water is high. Although I don’t know the temperature tolerance range of the wolf insects, it is possible to climb under the cliff and cross the river. It is very small, and other than that, the only way is to continue to go deep into the cave.

Thinking of this, Ye Han looked into the depths of the cave: "Go inside, make a mark and don't get lost!"

"Just watch it!" Liu Bin agreed, and drew out his saber backhand, "Don't even look at it, get out!"

The soldiers immediately left the cliff and searched for the depths of the cave in a search formation. No matter who passed by the stalagmites or stone pillars, they would draw out their sabers and carve an arrow pointing to the entrance of the cave on the stone.

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