The engineer robot soon came to the hole that Youxue mentioned. It continued to walk forward, but suddenly fell in after not taking two steps.
Xia Lei stared at it dumbfounded, watching it collapse rapidly until it was no longer visible.
"It fell." Youxue said, looking very nervous.
Xia Lei suddenly put his arms around her waist and led her to jump into the air. The next second, before Youxue could make a surprised sound, she was already in the air. The hole was right under his feet.
"Ah!" Youxue exclaimed, but this was not because Xia Lei brought her into the air, but because of the hole below.
At this point, Xia Lei had completed looking through the hole. He could no longer see the engineer robot. All he could see through was black gravel, black soil and rocks, and nothing else. .
The Overlord did not receive the information fed back by the engineer robot. This was abnormal, because even if it was buried in mud and rocks, it could still transmit the information.
"Youxue, tell me, what did you see again?" Xia Lei couldn't wait to know the answer. This is also the reason why he brought Youxue to the sky above the cave. Just now it was a parallel perspective, and now it is an overlooking perspective.
Youxue had calmed down. She looked down at the cave below and said after a few seconds: "The dim..."
"Dark and yellow?" Xia Lei's heart moved, "What is that dim and yellow?"
Youxue said: "It seems to be the sky, but... this is simply impossible!"
Xia Lei said: "There is nothing impossible about this. Apart from the sky, what else did you see?"
Youxue shook her head, "I can't see anything else."
Xia Lei brought Youxue back to the ground, and then returned to the sky above the cave again.
"Mr. Weiyi, what are you going to do? Be careful, don't fall!" Youxue was still very nervous.
At this moment, Xia Lei punched the hole below that he couldn't see.
A ball of colorful energy light hit the ground.
There was no violent explosion, nor was there a huge wave of mud and rocks. The rocks, gravel and soil on the ground burned at that moment and turned into pieces of fly ash. The black fly ash is like the ashes left over from burning paper.
The flames continued to expand in all directions and underground, and the scene was like a wildfire starting a prairie fire.
Finally, when the fire stopped spreading, Xia Lei himself saw the hole that Youxue had seen, and he was extremely shocked.
What appeared in front of him was a giant cave with a diameter of at least dozens of kilometers, in the shape of a whirlpool, and the surrounding gravel, rocks and soil were pouring down like a waterfall. But on the surface it is motionless, as if there are countless underground rivers forming this strange landscape.
Under the cave is a dim space.
Xia Lei thought of the "total solar eclipse" that he destroyed. The space here was very similar to the dim area inside the "total solar eclipse". He strained his eyesight and tried to see farther away. However, he just didn't do it in some different light and saw nothing.
He also didn't see the first engineer robot, and he still hasn't received the signal it sent back until now. It seemed to have fallen, and it seemed to have been swallowed by something.
After observing to no avail, Xia Lei gave instructions to the second engineer robot.
The second engineer robot immediately started and headed straight for the cave. This time there was no need to fall into a quagmire-like collapse, it just fell straight down.
Xia Lei stared at it closely, watching it fall rapidly until it disappeared from sight.
The master still didn't receive any message.
Xia Lei frowned, "Where is the place down there? A new space world similar to Middle-earth? Or something else?"
If such a question is just a guess, it will never be answered.
Xia Lei shifted his gaze to Youxue, "Youxue, please go back. I will come to you again when I need your help."
"Mr. Weiyi, I can go back, but you have to think clearly. It may be dangerous down there. Don't go exploring rashly." After all, Youxue is a student of the think tank Amido. She is a very smart girl. She seems to have seen through Xia Xia. Ray's thoughts.
Xia Lei nodded, "Go back, I'll be careful."
Youxue then turned around and left, walking slowly towards the entrance to the lower city. After walking a few steps, she looked back, and after walking a few steps, she looked back again, as if she was afraid that Xia Lei would jump down the hole rashly.
Xia Lei did plan to go down, but he didn't want to jump down himself.
A piece of colorful energy light was released from his body, and he was like a bright star under the starry sky of death.
A star would generate heat and shine, but his star only released a ray of light, centered on his body, and threw it straight into the hole.
This ray of colorful energy is not the force of milk, but Xia Lei's desire energy. Human desires are boundless. His desire energy evolved from human desires, and naturally has the same properties. If he were on the earth, he could send this trace of desire energy to the sun instantly, or even to a more distant planet. Of course, desire energy that can achieve this level is just pure desire and is not aggressive.
Now, this trace of desire energy acts as a "detection rod" that will collect information at the bottom of the cave for Xia Lei. The engineer robot cannot transmit the information back, but this trace of desire energy will be unrestricted.
Soon, the information collected by the desire energy was transmitted back, and Xia Lei's super brain processed the information quickly. Just a second later, the image of the virtual construction appeared in his mind.
The bottom of the cave is a dim area, where all the black gravel, rocks and soil disappear.
His brain also derived an accurate value based on the information collected by that trace of desire energy. The vertical height of the "waterfall" formed by black gravel, rocks and soil is 17.23 kilometers, which is almost the same as the earth's crust. Consistent thickness.
"Could it be the underground world of the death world?" A thought came to Xia Lei's mind.
Just in this thought, that trace of desire energy has penetrated into the dim area, straight down.
New virtual images appeared in Xia Lei's brain, including cotton-like gray clouds, a land made of black and gray, and an endlessly surging, ink-like ocean!
That trace of desire energy penetrated into the black and gray earth, and trees and weeds actually grew on that land!
Next to that trace of desire energy, a black scorpion crawled out of a gray bush, looked around warily, and then got into the grass.
In the same area, there were two large pits in the gray grass, with metal parts scattered on the bottom of the pits. Those metal parts were parts of the two engineering robots before, and they had fallen into pieces.
New environmental data emerges.
The thickness of the atmosphere is 923 kilometers, which is equivalent to the thickness of the Earth's atmosphere. The oxygen content is 20%, the nitrogen content is 50%, and the other 30% is similar to the composition of the earth's atmosphere, including carbon dioxide and so on. There are also several unknown gas molecules. There are no such gas molecules in the earth's atmosphere.
Xia Lei withdrew that trace of desire energy and fell into new thinking. "The world of life, which is opposite to the world of death, has given birth to many lives, but there is also death. The withering of vegetation, the birth, old age, illness and death of people are all life. Death in the world. No matter or life can exist alone. Where there is light, there must be darkness, and where there is life, there must be death. The world of life has death, and no one can avoid it. Then, the world of death should also have The existence of life, otherwise it would not be possible. Could the space world below be the existence of life in the world of death?"
This question actually already has an answer, and the black scorpion I just saw is evidence of it. There are also those gray trees and weeds, which are also evidence to prove this speculation.
"By the way, didn't Mu Ma say that? Pure Blue Moon people come from the world of death, and those on Blue Moon are just Blue Moon people who were later born in the world of life. And those Blue Moon people, including Mu Ma, are actually None of them are real Blue Moon people. Will I find Blue Moon people down there? If I can find Blue Moon people, or intelligent life in the dead world, I can hope to find clues about that fragment. I have to go down, Even if it's hell, I have to go down." Xia Lei had already made a decision in his heart.
Xia Lei returned to the ground and walked towards the entrance of the lower city. Youxue has gone back, and dozens of engineering robots are still there to collect rock and soil samples, and some are conducting analysis on site. He gave the order, and all the engineer robots followed him back to the lower city.
Behind the entrance to the Lower City is the Ghost Tribe. As soon as you enter, you will see a snow-white scene. Thick snow is piled on the roof and the ground, and goose-feather-like snowflakes are constantly falling from the sky. People from the past rarely come here, and no one likes the frozen dead tribe.
"Mr. Weiyi, you are back. I am very worried about you." Youxue had been standing at the gate of the city waiting for Xia Lei. She greeted Xia Lei as soon as he came back.
"Thank you, Youxue, you helped me a lot." Xia Lei said. Only now did he have time to say thank you to Youxue.
Youxue smiled shyly, "Mr. Weiyi, you're welcome. It's my honor to do something for you."
Xia Lei said with a smile: "Come with me, I will take you to see your teacher. You need to describe some situations to it in person."
"Well, okay, Mr. Weiyi, I also want to meet my teacher. I haven't seen him for a long time." Youxue said happily.
Xia Lei led Youxue towards the altar.
Dozens of engineering robots have begun to build an elevator next to the altar. It seems that Diao Chan has conveyed his words to the think tank Amido.
"Mr. Weiyi, I..." While walking, Youxue hesitated for a moment before speaking out, "Why can I see the things you can't see?"
Xia Lei was stunned for a moment, "Well... It's probably because of race. Different races have their own specialties. I think so. You can also ask your teacher, who may be able to give you different answers. .”
This is not the real answer, and think tank Amido will not give the real answer, because the answer being given is extremely cruel to her. She is a dead person.
"Oh." Youxue stopped asking and walked with her head buried.
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