"Xiaoxiao is going to run with us?" Chen Yu put the big backpack on the glider and fixed it, turned to look at a group of beauties who were seeing off, and asked.

He was seeking Ye Chunfang's opinion, and he would definitely bring Fu Xiaoxiao along as he intended. They also had an agreement to go to the small stream near Bishan Peak to play in the water with mandarin ducks.

"Of course I want to go!" Ye Chunfang gave a very positive answer, "maybe we will have to find Xiaoyu for help, and let her transfer troops from Yucheng to help us."

Fu Xiaoxiao was going to go with him, but he was not ashamed to bring it up.When Ye Chunfang went, she seemed a little insignificant, and if she wanted to follow her, she would arouse dissatisfaction from other sisters.

Carrying the two beauties, Chen Yu set off again and hurried to Bishan Peak.

Knowing that Chen Yu and others would come, Di Xiaoshan and Gu Youli prepared a lot of fresh prey and water.

After eating and drinking at the top of the peak and taking a rest, Chen Yu and the three others entered the cave. Ye Chunfang especially asked him to bring that big backpack.

There was something in the big backpack, Chen Yu has been useless, because on the way, he cut Fu Xiaoxiao's pants with a knife, and entered her cave during the flight.

When he went down to the cave, Chen Yu asked Ye Chunfang what was in his big backpack.

Ye Chunfang replied: "The crystal ball with special qualities is an improved version that can shine by itself."

Chen Yu opened his backpack and took a look. It was really some crystal balls the size of table tennis balls, exuding soft fluorescence.

Soon he came to the place where the first small snake-like marking symbol was. In order to verify his words, after the marking stopped rotating, Ye Chunfang asked Chen Yu and Fu Xiaoxiao to touch it with their hands.

Sure enough, the gouge mark did not rotate, it was really just a light and shadow effect.

Chen Yu asked puzzledly: "How could this be?"

Ye Chunfang explained: “The stone on the wall of the cave is very special. The color changes in shade due to the light, and it reflects a rotating shadow. I will not know the details for a while. Put a crystal ball here. "

They went all the way and put the crystal ball all the way. Whenever there was a mark, Ye Chunfang asked Chen Yu to put down a crystal ball. Until the crystal ball in the bag was finished, they also came to the bottom of the hole.

The cave room the size of a football field is still empty, and those who are missing are still alive and dead.

Ye Chunfang carried the crystal lantern and turned a few punches in the cave, then pointed to the exit and said, "The organ is not in this cave, it should be on the way it came. We will go back the same way. Xiaoxiao, can you still persist? "

Fu Xiaoxiao smiled and nodded, "No problem!"

Knowing that it would take more than ten hours to come down, they brought water and dry food, and took several breaks on the way.

"Chen Yu, carry me, I can't walk anymore." Ye Chunfang said as if ordering.Her physique has not been very good, and she has long been exhausted.

With Ye Chunfang on his back, Chen Yu said, "Xiaoxiao, go ahead."

Returning the same way, until they got out of the cave, they still had nothing special to discover.Chen Yu asked Ye Chunfang a little uncontrollably, "Is there no way?"

Ye Chunfang did not answer and asked, "What did you find on the way back?"

Chen Yu smiled bitterly and shook his head.

Fu Xiaoxiao thought for a while and said, "Those crystal balls have become a lot brighter."

Ye Chunfang smiled and nodded, "Xiaoxiao is still very observant. That's right, those crystal lamps are indeed brighter and brighter. Let's take a rest and then enter the cave after a few hours."

Chen Yu was very worried about the lives of those missing, and asked puzzledly: "Why wait for a few more hours?"

Ye Chunfang explained: "They will disappear when they go down to the cave, and you two have gone down the hole three times, including this time, but nothing happened. This shows that the light source you two carry is not bright enough. We have to wait for the crystal ball. When the brightness reaches the strongest, it can break the mechanism."

"There are more than 20 of them, and there are more than 20 crystal lanterns. You said that if we get more crystal lanterns, we won't be finished. You don't need to wait for the crystal ball to glow." Chen Yu said.

Ye Chunfang glared at Chen Yu with hatred of iron and steel, and just wanted to scold him for being inexperienced and not knowing how to use his brains. So Fu Xiaoxiao explained to her: "We have more than 20 crystal lanterns. We may be able to find them, but we are also very likely to be trapped in a cave like them and unable to get out. Only when the mechanism is solved can we rescue them safely."

Ye Chunfang nodded slightly with approving eyes from Fu Xiaoxiao.If it were not for Fu Xiaoxiao's not much interest in scientific research, she would really like to accept this smart student.

A few hours passed quickly, and the three of them went down to the cave again.

The light from hundreds of crystal balls illuminates the cave like daylight.Chen Yu asked Ye Chunfang very much why the crystal ball would emit such a strong light, but he was afraid of being scolded by her, so he had to endure it.

Fu Xiaoxiao asked this question curiously, and it was considered a help to Chen Yu.

Ye Chunfang replied that the crystal ball was hollowed out, filled with a lot of luminous stone powder, the principle is similar to the light stick.After shaking and rubbing, the stone powder will be bright, and it will become brighter and brighter, similar to the consumable nuclear fission.

That kind of stone powder is a unique mineral on this island. It was brought back by the mining team. Ye Chunfang had never seen it before, let alone know what mineral it was.She just used this mineral to make a lot of luminous crystal balls.

After crossing more than a dozen crystal balls, Chen Yu surprisingly discovered that there was a fork in the stone wall, a fork like a round arch, with obvious human traces.

"This is a man-made project, are they lost behind this round arch?" Fu Xiaoxiao was shocked.

Chen Yugang wanted to get into the stone gate, but was stopped by Ye Chunfang, "Don’t worry, there should be many arches like this, and behind the arches should be like a maze. You are fast, run to the depths, and count how many are there. Arches, but don’t go in."

Chen Yu nodded fiercely, ran to the depths of the cave, and found many arches along the way.

"Eighty-one." Chen Yu spent more than an hour and ran back and forth, "Which one are we going in."

Ye Chunfang replied: "None of them will enter, go up and wait for them to come out by themselves."

"Will they come out by themselves?" Chen Yu asked incredulously.

Ye Chunfang said confidently: "If they are still alive, they will definitely come out by themselves. When they come out, we will ask them to find out what's going on inside, and then we will decide whether to check it out. These crystal balls are a beacon to guide them. ."

Before Ye Chunfang's words fell, he heard heavy and slow footsteps behind the arch.

Before the meeting, I saw someone walking out with difficulty on the wall of the cave. He was obviously one of the members of the mining team.