The crack is narrow, allowing only one person to pass sideways. Zhou Zihan is thin and in good condition, at least he doesn't need to have rocks on his chest and back, but even so, the tactical backpack can't be carried behind him, he can only hold it behind him with his left hand, and shine forward with a flashlight with his right hand. Ling Feng was tall and a little fat, and there was basically no gap when he squeezed into the crack, but fortunately, he had a mask on his face, otherwise he would definitely be scraped by the uneven mountain rocks.

It was already dark in the mountain after advancing more than ten meters, and neither of them dared to wear night vision goggles at this time, for fear of being scratched by the rocks. Although the posture is very awkward, Zhou Zihan is still moving fast, and his body twists strangely against the wall, sliding in the gap like a snake. Ling Feng didn't have this ability, so he could only hold the tactical backpack in one hand and slowly squirm behind him. This posture is extremely physical, but fortunately, Ling Feng is also very human, but he also insists on moving forward in this narrow space, and then he understands why Zhou Zihan needs his help, that is, this crack is not something that ordinary people can get through.

& Han, can you tell me about the specific situation inside? Ling Feng shouted over the communicator. Now that he came in, he felt that it was necessary to find out, not to mention that Zhou Zihan and Pang Ba were well-trained agents, and Pang Ba was trapped inside, so it can be seen that the situation inside must be very complicated.

& Pang Ba had come in through another crack two days earlier, in a valley west of Snow Treasure Peak. It took a while for Zhou Zihan's voice to come from the headset, obviously the principle of secrecy made him have to answer Ling Feng's question word by word, "At that time, we were attacked by a very ferocious creature shortly after we came in, and Pang Ba separated me from me to cover up. ”

& What about the other two? Ling Feng was shocked, obviously the situation inside was even more complicated and dangerous than he expected, "Xuebaoding is some distance away from here, could it be that the cracks in the mountain can lead from Xuebaoding to here?" ”

& Lan was killed by a surprise attack by that creature, and Wang Shen disappeared under siege, which is estimated to be more auspicious. Zhou Zihan sighed, the situation was very chaotic at that time, Wang Shen's life and death could not be determined, but most of them were difficult to survive in such a bad situation, "Xuebaoding is more than 30 miles away from here in a straight line, and I estimate that I walked at least nearly 100 miles in the mountain before escaping from the crack that I came in just now."

Although Zhou Zihan's tone was very flat, Ling Feng could guess how bad the situation was at that time, he had traveled hundreds of miles in the mountains in two days, and was constantly attacked, if it was an ordinary person, he would have collapsed long ago. Ling Feng asked, "What exactly is that creature that attacked you?" ”

& species of organisms are definitely not any species known on Earth. Zhou Zihan affirmed, "This creature has its hind limbs on the ground, generally about 1.5 meters tall, short and powerful forelimbs, extremely sharp claws, and a pair of small meat wings on its back, although I didn't pay attention to it, but I estimate that they have the ability to glide over short distances." Remembering the chaotic and bloody situation at the time, he reminded: "These creatures are extremely fierce and tenacious, and when the time comes, you must concentrate all your strength on their heads." ”

Ling Feng sketched the image of this unknown creature in his mind, he thought it was a bit like a monkey, but with extra wings, "Why did they attack you?" Is it instinctive or something else that attacks you? ”

This question was asked by Zhou Zihan, after the escape, he had not carefully considered these details, he recalled the situation at the time, and said with some uncertainty: "These creatures seem to show a certain IQ, and they also appear to be very organized when attacking, you don't think this is a kind of intelligent creatures, right?" ”

There was silence in the headset. Zhou Zihan thought that Ling Feng was thinking about it, so he stopped talking.

Ling Feng was resting against the rocks, walking through the mountain in an awkward position for forty minutes, he was already tired and sweating, especially his left hand, which was holding the tactical backpack, had already begun to tremble. He could only pause to rest, reach out and feel the hose at the back of his neck, and take a pleasant sip of water. He didn't dare to drink more, after all, from Zhou Zihan's introduction, he roughly understood the complex and dangerous situation in the mountain, there was no logistics, no reinforcements, and he could only rely on himself, so he couldn't waste any materials.

After about forty minutes of walking, the crack gradually became wider. Ling Feng breathed a sigh of relief, put his backpack behind him, followed Zhou Zihan's example, holding the flashlight in his right hand, and slowly explored forward, he didn't bother to call, anyway, there was only one way, Zhou Zihan would definitely be waiting in front.

& Wind, turn off the flashlight. Zhou Zihan's deep voice came from the darkness ahead.

Ling Feng was startled, and quickly turned off the flashlight and put on the night vision goggles, it is difficult for people without special training to adapt to the scene in the night vision goggles, and he is no exception. Zhou Zihan was squatting on the ground, holding an infrared telescope to observe the situation.

When he walked to Zhou Zihan's side, he found that there was no way forward.

In front of him was a huge mountain space, which could not be seen in the night vision goggles, and Ling Feng couldn't estimate how big this space was.

Taking the telescope handed over by Zhou Zihan, Ling Feng began to carefully observe the topography of the space inside the mountain. A stone wall divides this huge inner space in two, and the telescope shows that the distance of the stone wall is 220 meters, and a ashlar paved road extends from the darkness on the left to the back of the stone wall, and the ashlar pavement is full of stones falling from the mountain wall, and it is clear that this road is definitely not a natural formation.

Ling Feng was a little annoyed, pointed to the stone path and asked, "This is obviously a man-made structure, why don't you tell me?" ”

Zhou Zihan was untying the mountaineering rope and replied lightly: "I can't find any explanation for the situation here for the time being, anyway, you can see it when you come in, there is no need to say it." ”

Ling Feng was speechless at this answer, and he could only turn around in anger and continue to observe. There were some frescoes on the stone wall, which were very unrealistic in the infrared telescope, and he was in a very eager mood to take a closer look, maybe he could find some clues.

Soon, Zhou Zihan finished cleaning up. He tied one end of the climbing rope with a climbing spike and fixed it, threw the climbing rope off the cliff, and then took out two live buckles from his backpack, pinned one to his waist, and handed the other to Ling Feng.

It was very hot in the mountain, and Ling Feng was very hot in his full-body equipment, so he couldn't help but unfasten the live buttons of his heavy body armor. The heavy body armor is full of ceramic pieces, absolutely strong, but the weight is not light, plus the weight of the equipment, each of them carried at least nearly 100 pounds of weight, and walked through the mountain for more than 2 hours, which is a great test of physical fitness.

The two of them rested on the cliff for half an hour, ate a single ration, replenished some energy and water, and then prepared to rappel. Zhou Zihan walked up to Ling Feng to help him check his equipment, and told him never to untie his combat uniform because of the heat, and even pulled up his mask, of course, Zhou Zihan himself was also fully armed.

Zhou Zihan hung the live buckle on the mountaineering rope, turned his back to the cliff to prepare for the abseiling, and said to Ling Feng when he was about to slide down: "Fengzi, when you encounter danger below, if the situation is very bad, don't turn back to save me." ”

Ling Feng was stunned, Zhou Zihan had already slipped down and disappeared in front of his eyes.

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