Everyone walked to the exit, looked up, and couldn't help but be stunned: in front of them was a tall city wall.

In the middle of the city wall, there is a huge vermilion gate.

The city gate was closed, and the city wall was densely packed with banners, but there was not a trace of wind here, and the banners were painted with all kinds of strange runes, hanging motionless.

Before everyone stepped out of this exit and looked into the sky, they saw the twinkling starlight?!

At this moment, everyone was a little moved: everyone was deep in the ancient ruins, why did they suddenly return to the ground? And so soon it's night? Where did this ancient city come from?

If the people are not on the ground at this moment, are they deep underground?

Zhou De looked surprised, he walked out first, and Gao Qin and the others followed, but they didn't take a few steps before they stopped. The crowd had already discovered that it was still deep underground: the sky was shining with stars, and a bright moon was hanging high - but it wasn't really the moon and the stars!

This is a vast space, and above it is a dome, like a large round bowl with an upside-down button, and the dome is inlaid with dense gems, like a brilliant sea of stars. In the center of the dome hangs a white glowing jade bead, shining like the moon and shining coldly on the earth. This is the moon and the stars.

And under the dome is this huge ancient city, which is gloomy under the bleak moonlight.

Everyone walked not far, they arrived at the foot of the city wall, and saw this majestic ancient city in the depths of the ground, everyone was a little excited at the moment, and they couldn't calm down with excitement, Zhou De was already stunned, Gao Qin and Xu Ming were also full of surprise, Nanyang came to his senses, and immediately took out the instrument to measure the environment.

Nanyang said: "Teacher Xiao, can you receive our image signal?" ”

Xiao Gang's unclear voice came from the communicator: "Now the signal interference is very large, and the image can't be transmitted, Mr. Nanyang, where has the expert group arrived?" ”

Nanyang looked at the ancient city in front of him and said, "We have passed through the stairs and arrived at another place, which seems to be a huge cave. We're discovering something new here! ”

Xiao Gang asked, "Cave?" What's in the cave? ”

Nanyang said: "The space here is very large, and we see an ancient city!" ”

Xiao Gang's voice became surprised: "Ancient city?!" What kind of ancient city? Everyone's safe, right? ”

Nanyang said: "Everyone is fine, there is only one ancient city here, I will let Miss Gao and Mr. Xu take some video materials in a while, and bring them to show you." He continued: "The communication signal is still intermittent and the interference is serious, and it seems that we need to set up a transfer station in the ancient ruins." ”

Xiao Gang said, "Okay. Have you entered the ancient city? What does it look like? ”

Nanyang said: "Not yet, we didn't go in." He looked at the others, and at this time everyone began to act, Zhou De and Qiu Tian were observing the surrounding environment, and Gao Qin and Xu Ming took out their cameras to take pictures of the ancient city. Nanyang continued: "Teacher Xiao, since we have arrived here, let's return to the ground first, redo our preparations, and then continue to explore here. ”

Xiao Gang said excitedly: "Okay, let's quit first, let's study and analyze the data on hand first." You ......"

When Xiao Gang said this, his voice suddenly changed taste, became muffled, sounded very weird, and he didn't know what he was talking about at all.

At this moment, the communication signal suddenly went off!

Nanyang was immediately shocked when he saw that the communication signal was suddenly interrupted, and he tried to contact the command room on the ground again, but he couldn't get in touch.

Gao Qin and the others found that Nanyang's expression was wrong, and when they learned the reason, they all tried to contact the ground, but they all failed. It seems that the signal has been completely cut off, and the crowd has lost contact with the ground.

Everyone thought it was strange, not like an accidental failure of the equipment. Since walking down the stairs, the communication signal has become less than ideal, but it is also intermittent, why is it suddenly interrupted? Could it be that the communication equipment on the ground is malfunctioning?

Seeing this, Xu Ming began to be a little nervous.

Nanyang comforted: "Don't be nervous, it's likely that there is a problem with the equipment or technology." Leave it alone, let's retreat to the ground, take a break, and work out our next move. ”

Since there was a problem with the communication signal, it was difficult for everyone to continue to investigate, so they could only return to the ground first and make preparations again. Now that it is safe to return to the ground, everyone sorted out their equipment, turned around and walked back, they entered the circular corridor, and after walking a short distance, Ah Hu, who was walking in front, suddenly stopped.

Everyone was stunned, and took a flashlight to shine it, but a dark boulder blocked the way in front of them!

Everyone was amazed that the boulder did not appear when it came, but it suddenly appeared unnoticed, completely blocking the corridor, not a single cent, without a single gap.

Zhou De, Gao Qin and others took flashlights to carefully inspect this boulder, which was very heavy and sturdy, and could not be pushed. They checked the surroundings again, and there were no mechanisms. Nanyang knocked on the boulder, feeling as if there was metal hidden inside, and he checked it again with Ah Hu and Zhuzi, and came to the conclusion that with the tools carried by everyone, the boulder could not be moved or destroyed.

Everyone is trapped here now!

Gao Qin said suddenly: "It seems that the interruption of the communication signal is related to this boulder, which blocks the transmission of the signal and completely encloses the space. She continued, "I didn't expect such an ingenious mechanism to be hidden here. ”

Zhou De's face was serious, and he said: "Moreover, it may not be only this stone slab, our way may be cut off in many places. ”

Xu Ming was really a little scared now, and said, "This ...... Are we trapped? ”

Although the retreat route was cut off by the mysterious agency at this moment, Nanyang was not nervous at all, he said: "Please calm down, this is nothing, the troops on the ground will immediately take rescue actions if they find out that something is wrong with us." With the equipment on the ground, cutting these stones to open the way is not very laborious. ”

Everyone thought: This is indeed the case, the command room on the ground must have also found that the communication signal was suddenly interrupted, and something happened to the people underground. Before the operation, sufficient manpower and material resources and a variety of rescue plans were prepared on the ground to deal with emergencies and carry out rescue activities, which was already in the preparation plan of the expedition team.

However, suddenly trapped in a deep underground cave, everyone was still a little caught off guard and unexpected.

Xu Ming asked nervously: "Mr. Nanyang, when will the rescue team find us?" ”

Nanyang said: "Don't worry, it won't take long." When the communication signal is restored, we can contact Mr. Xiao. He continued: "We were able to hold out for two days, although we did not have enough water and food, and by then the troops would have been able to find us." He looked at the small air detector pinned to his chest, and the signal was stable and the air quality was good. Instrumental testing showed that the environment in the cave was normal.

Nanyang said: "Experts, the matter has come to this point, and it will take some time for the rescue team to come down. Shall we rest and wait here, or do we do something else? ”

Xu Ming rolled his eyes and said, "...... I think we'd better wait for the rescue team to come. ”

Qiu Tian said: "I agree with Mr. Xu, I think safety comes first. ”

Gao Qin said: "I don't think we need to stay here, we can continue to work." When we got here, there was plenty of oxygen, and it seems that there was air circulation here, and maybe there were other outlets, and we should look for them. And maybe we'll be able to find a mechanism to open the boulder? ”

As soon as Zhou De came here, he was very excited, and he wanted to explore the ancient city, he sneered and said: "Hmph, we are archaeologists, we have encountered many situations in this situation, can this difficulty still stump us?" Are we going to waste our time here because of this? Monkey business! ”

Xu Ming said: "Also, we are all experts, not tourists, and this boulder does not prevent us from moving forward." It's a big deal, and when there's no road ahead, we'll go back. He was originally afraid of any danger, but seeing that Qiu Tian's thoughts were the same as his, he was very disgusted, and he was afraid that Master Zhou would steal the limelight, and he wanted to maintain a good image in front of his junior sister, so he suddenly changed his mind at this time.

In this way, Qiu Tian became timid, timid and cowardly.

Nanyang stared at Qiu Tian and said, "Researcher Qiu, it's better to be like this, you stay here and wait for rescue, and I will send Ah Hu to protect you, how about it?" ”

Qiu Tian smiled and said, "No, since everyone wants to move on, I agree with everyone's opinions, let's act together." ”

In this way, the expedition team decided to abandon the place and wait for rescue, preparing to move on, continuing the archaeological work and exploring the ancient city in front of it while the rescue team carried out the rescue work. Gao Qin and others are all outstanding experts, and encountering such an accident will not stop them at all, but will motivate them to solve various problems by their own ability.

Everyone sorted out their equipment, took flashlights, and came to the foot of the ancient city.

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