There was no food, and it was difficult for the three of them to walk quickly. The empty plain of ruins is black and gray earth everywhere you look, and here and time there are some different colored substances, what are those substances. When they came, the three of them were still in the mood to go over and study, but now they are not in the mood at all.

"Water, at our speed, we should be able to see lava by now, right? I can't even see a shadow now. ”

"I guess we're going around in circles around this ruined city. Damn dogs, we're scared to get lost. ”

"What are the blame dogs for, it's that we rely too much on robots. The sun rises in the east, and now we should be in the south, oops, really going the wrong way. ”

"It's sunset, and we've been jumping all day, starving and exhausted."

"Don't die, die, we're all alive now. It's dark again, and I can't run anyway, so let's fall asleep and wait. ”

"What are you waiting for? Robots don't have that kind of intelligence, and when the sun comes out tomorrow, it's good to determine the direction. The three of them were hungry and tired and could only rest, and they still sat and slept back to back.

"I wish there were dogs to keep us warm."

"I'm afraid we're freezing to death, can the robot find us?"

The three of them fell asleep tired of hope. Another humble team followed the scent, accompanied by two robots......

Den's convoy was the first three-person team to return to Lava Village. Before that, they found a supply depot, and now the three cars are fully loaded. If it weren't for accommodating two robots, it would have been faster.

"Electricity, pull the wind, the two legs have been replaced with four wheels, you guys are really harvested."

"And bicycles, they're not like antique cars."

"Yo he, it's all fast food, it's no problem to spend this winter. Huangao abandoned us and gave us food and clothing. God is really gracious. ”

Den's three-man team returned, and the lava village was lively again, putting the things they had brought back into the storeroom, and everyone was worried about the two groups that hadn't come back yet.

At this time, Zhong Sancai had just left the haze area. The ruins were still foggy and dusty, and the metal bugs on the lava that separated them all the way had died, and as a result, the lava surface had turned into a black, metal-like pavement.

"Zhong, the ancient is in line with the modern, the earth is now paved with composite metal pavement, and now it is also here."

"Can that be the same? This is a bug derived from lava, and the bug is shaken into a solid, and the solid is condensed into a plane, which is fundamentally different from the modern composite metal pavement. ”

"It's just the same color. The ease of walking is the same. ”

"I won't raise the bar with you, Zhong, the positioning given by the No. 3 and No. 4 robots is the same, let's go back."

"I really didn't gain anything when I came out this time, I saw the city a hundred years ago, but I never saw the prosperity again."

"It's not like it's not without a harvest, it's not far from Lava Village, and if they can really study and grow it, we'll have food to eat. No matter how many years the ring repairs itself, we will not starve to death. ”

"yes, neither of you are hurt." Zhong asked as his stiff limbs moved.

"No, how long have you been asleep?"

"I don't know, look at the time displayed by the robot, oh my God? It won't be that long. ”

"How long?"

"It's been more than two days!"

"For two days, we were in a coma, what happened in those two days?"

Several people looked at each other and reminisced, and what remained in their memories were metal bugs wriggling on the lava, and... I don't know what else I don't remember. Now the lava is black, and all those metal bugs are dead, how did they die?

"I think when we were unconscious, the underground light strip was flooded with noise again in the process of repair, otherwise, those bugs would not have petrified."

"Zhong, so the ruins of the city are not something we don't have, it has existed for more than a hundred years, how can it become powder because of our jump. I didn't expect the sound wave to be so powerful, it's strange, there are side effects of the self-repair of the ring height. ”

"Yes, just like when we built it, we just didn't catch up."

"Forget it, the more we talk about it, the more confused we become, there are too many things we don't know, it's like history that can't be restored."

"Zhong, there is less than a day left until seven days, and those teams have already returned to Lava Village with a full harvest." Robots 3 and 4 were still scanning the light, orange and red lights intertwined, illuminating the black lava surface even more eeriely. Kiegler's mood was also low.

"Let's travel overnight and try to get back to Lava Village within the allotted time."

There shouldn't have been enough time to go back, but everyone thought wrongly, and it turned into lava on the metal surface, which was hard and smooth, and it was easy to walk. Finally, not long after the three of them came back, Zhong and several people also returned. Everyone was excited again. After one night, the water, clouds, and fog also returned. It wasn't just three people who came back, they were followed by a group of pet dogs. The road-building robot is in front, and behind it is a group of four small short-legged dogs. It looks funny and surprising.

"Water, where did you find your pets? Doesn't it mean that there is no living life on Earth anymore? Will it bring any deadly germs and viruses? Rose, Jie, asked from a long distance.

"We didn't find it, they followed. Right in the ruins of the city. At first, there were a few, but they gave them some quick food, but after sleeping for one night, a group came. We were also in a panic to get rid of them, so we lost the robot and lost our way. Eventually, the dogs found us and led the three of us back in the right direction back to Lava Village. ”

"What, they still have to eat? Originally, we didn't have much food, and we had to share it with so many mouths. ”

"No, they can compete with us for limited food, and when they didn't meet us, didn't they also survive the extermination of the human race."

"Yes, it's been more than 100 years, but I didn't expect that there are other surviving creatures besides humans. It is said that dogs are the most loyal pets and generally do not leave the place where their owners live. ”

"Yes, on the way back, we thought about this too, and tried to get them to leave and go back to where they were. But it didn't work, and now we don't have the means to determine where on Earth the area where they survived. ”

"Dogs, cats and cats were the last creatures to be exterminated. Because they live with human beings, they are also the joint victims of nature's revenge on humans. ”

"That's right, and many of the vaccines for humans were tested on dogs. For this reason, it is not surprising that they have survived. Jie, when you were studying medicine, didn't you have an introduction to this, did you forget? Joan looked at Jie and said.

"I haven't forgotten, but suddenly a dog appeared, and it still makes people unable to calm down and not be assured. In fact, such a small animal is still so cute and cute. ”

"Let's keep them away from us and drive them to the other side of the lava village."

"Rose, how to catch them, we are driving them all the way, but no matter how they hide, they can be found. Even the robots were sent back by them. ”

"Now that they've recovered the robots, tell them to take them to the lava village, and the food can be given to them. More than 100 years ago, they were human pets, and now we will pet them again, which can be regarded as continuing the vitality of the earth. ”

"Zhong, this proposal is good, the dog has a sense of smell that humans can't surpass, and it doesn't eat a lot, so it's better to treat it as our pet." Ray said as he walked over and adjusted the robot, and the robot left with a pack of dogs. Finally, the confrontation between humans and dogs is over. As for how the robot can merge with the dog, this is still a mystery that no one can explain.

This time, the electricity couple brought back a lot of food, and a part of it was used to raise the dogs that had been wandering for more than 100 years. The three-man team of Tree, Quake, and Worm didn't come back for two days. This made everyone worried.

"Zhong, are we waiting? Is it out looking for them? Ray suggested.

"It's to look for them, when the three of them are leaving, the target is still the warning sign on the ring high road, and check the protective net belt, they should not have left the ring high main road, and we will have a direction to look for it." Rose analyzed.

"Yes, there is a big crack on one side and they won't pass, and there is only one direction."

"Now that we have a solar energy scooter, we can definitely catch up with them." Electricity also said.

"I hope that this time the three of them don't find anything again, and don't be in any danger."

"This lava village is what they discovered, and it's because of us that we've been mutated. But when you think about it, it's not a bad thing. Zhong, go out to find them, count me in. ”

"Okay, each car can seat two people, let's look for them this time, while looking for them, we will see if there is a hole in the main road around the high road, there is still an opening we don't know."

"Zhong, what do you mean, could there be other small cracks besides the big crack?"

"This possibility cannot be ruled out, which is also the reason for the flood of noise in the underground light band. Ray and I had doubts about this before, and at that time we were all like frightened birds, and the burden was heavier if we talked too much. Zhong, now that we are all experienced in a hundred battles, the three of us are bound to keep approaching the high auxiliary road, and face more opportunities for damage except for small cracks or other injuries in addition to large cracks. The possibility that they will encounter danger again cannot be ruled out. ”

"Rose, I've been thinking about it for a long time, Huan Gao is injured, the big crack is the most serious, and it is inevitable that it will not be serious. The ring is tied to the Earth, and even the builders have no exact data on his length. Where it began and where it closed is not accurately recorded. All we know is that it is ring-shaped, the strap that binds the earth. In fact, our understanding of the ring height is all data, and the people who really finish the ring height do not have it at all. It's not that I don't want to finish it, it's that the length of life is not enough. ”

Zhong's words made everyone's hearts heavy again.