"Yang Qian, have you already thought of a way to escape from this city? Otherwise, why are you reading a book all afternoon, you must have thought of a way, right? ”

Facing Su Yurou's question, the orange juice that Yang Qian had just drunk into his throat almost squirted out, Yang Qian blushed and endured the discomfort in his throat, and said in a calm tone as calmly as possible: "Ahem, the solution has been thought of, but it is not perfect." ”

Hearing Yang Qian say that he really had a way, the four of them were interested, and they stopped their mouths and asked Yang Qian about his escape plan, but Yang Qian, who hadn't thought of a way, had to tell everyone mysteriously that the time had not come, and then no matter how everyone asked Yang Qian, they were silent.

After the dinner was over, everyone began to clean up the plates, and no one noticed Yang Qian, who looked bitter at the night sky. The battle during the day consumed a lot of physical strength from Dongzi and Guo Yuan, and at this time, after dinner, the two of them suddenly felt drowsy, but fortunately, there were many sofas in the café, which could be used as beds temporarily, so there was no need to worry about the sleeping place.

Yang Qian found that since he fused the genes of zombies, his physique had become too much stronger, which was not the same as in the past, and he felt energetic every day, as if he had endless energy, and he didn't feel too tired even at night.

After chatting for a while, everyone chose a sofa to sleep, the four of them slept very close, the sofa they chose was next door to their companions, and after eating dinner and chatting for a while, it was only seven o'clock at night, if even pigs would not sleep so early before the end of the world, but after the end of the world, there was no Internet as a means of entertainment, and everyone had to go to bed early.

Night, very quiet, so quiet that even the roar of zombies can not be heard, in the silent night only Yang Qian is still lighting candles, sinking into the sea of books again, if Yang Qian travels to ancient times at this time, he is definitely the best among the scholars who read at night.

There are not many candles in Yang Qian's backpack, only four or five, looking at the candles inserted in the beer bottle, which have burned nearly a small half, Yang Qian's heart twitched slightly.

"This candle is burning too fast, isn't it, it's only been a long time, and half of it is gone...... Ah, it's 11 o'clock in the evening. After looking at his watch, Yang Qian showed an expression of "I see".

Yang Qian closed his eyes and rubbed them, and after a while, he opened his eyes, and when he opened his eyes, the trace of tiredness in his eyes disappeared, and the whole thing changed again.

"Come on, I can do it, I must memorize these 20 books tonight."

After 1 hour......

"That's what this hydraulic system is all about...... How can this transmission system be designed like this, does the person who published this book understand it......"

After 2 hours......

"The turbine design is good, but if this structure were changed like this, the plane could be at least 5% faster......"

After 3 hours......

"Give me a Santana and I can turn it into the fastest sports car......"

After 4 hours...... Yang Qian finally lay down, and after his brain worked continuously for more than ten hours, Rao couldn't bear Yang Qian's smart brain, and his head hit the table, and he immediately crashed.

The wick that had burned to the mouth of the bottle was soaked in the surrounding wax tears, and the wick that was still burning a second ago suddenly went out, leaving only a trace of green smoke rising from the mouth of the bottle, rising into the air and slowly dissipating.

A crescent moon hangs high in the sky, surrounded by a little starlight, after the end of the world, the disappearance of industrial pollution, air pollution is also slowing down, the reduction of fine particulate matter in the air makes the crescent moon look extraordinarily bright at this time.

A night of silence......

Dongzi, who was the first of the four to get up early the next morning, was panicked after discovering that Yang Qian was not in the café, but he did not wake up the others, but walked towards the rooftop alone, and after checking that the tables and chairs at the door had not been moved, Dongzi guessed that Yang Qian was probably on the rooftop.

In fact, Yang Qian was indeed on the rooftop, and he took out the brain crystal of an S-shaped zombie, and his eyes showed a look of struggle.

"Shall I eat or not? …… As a man who is proficient in the compendium of materia medica, he should have Li Shizhen's spirit of tasting all kinds of herbs and having the courage to explore. Yang Qian immediately threw the brain crystal into his mouth.

After the brain crystal was entered, it immediately turned into a faint juice, as Yang Qian's swallowing flowed down the throat into his stomach, Yang Qian only felt that there was a faint warm current in this juice, spreading to the whole body, and a very comfortable feeling came from all over his body, Yang Qian closed his eyes even more happily.

Yang Qian carefully felt the changes in his body, and when the warm current disappeared, he clenched his fists, and found that his strength seemed to have increased slightly, and Yang Qian's heart suddenly burst into ecstasy.

"It turns out that brain crystals can enhance people's strength, could it be said that there is a mysterious evolutionary power in brain crystals, so eating brain crystals will become stronger, I don't know if ordinary people will have the same effect after eating brain crystals...... The secret of the brain crystal is too important, so let's talk to them again when I have a chance to do so. ”

Just when he wanted to take out the brain crystal of the shadow cat and swallow it, there was a slight sound of footsteps at the door of the rooftop, Yang Qian frowned, quietly put away the brain crystal, and continued to sit on the rooftop, without any intention of getting up.

"Yang Qian, why are you here, you scared me to death, I thought something happened to you!" Before anyone arrived, the sound arrived first, and Dongzi's familiar voice sounded in Yang Qian's ears.

"I see that you sleep quite soundly, so I am embarrassed to disturb you, so I ran to the rooftop to blow the wind alone, and the air in the café was a little stuffy."

"You can sit down too." Yang Qian pointed to the ground at the edge of the rooftop.

Dongzi smiled slightly, did not refuse Yang Qian's invitation, and sat next to him.

Dongzi asked earnestly: "Yang Qian, tell me honestly, haven't you thought of a good way?" ”

If Dongzi asked this before dinner, Yang Qian would definitely have the same answer in his heart, but Yang Qian read a book about urban sewer design when he read it at night yesterday, and Yang Qian wanted to skip it directly, but when he thought of the concept of walking the rivers and lakes, Yang Qian still decided to read it, and after reading it, Yang Qian thought about it, and Yang Qian, who had been thinking about it for a long time, suddenly opened his mouth.

Although the city is full of zombies and terrifying mutant beasts that must exist, underground, it may be possible to escape the city safely through the sewers, which is exactly Yang Qian's escape plan.

"What, sewers?" Hearing Yang Qian's plan, Dongzi was startled, and then looked at him with excited eyes, "Yang Qian, you are too smart, why didn't I think of it, I have been thinking about how to escape from the ground or even the air, but I have never thought about going underground, I will go and tell Keni the news now." ”

Yang Qian grabbed Dongzi, who was trying to get up, and said, "Hey, Dongzi, don't be in a hurry, let them sleep again, don't wake them up." It is feasible for us to escape through the sewers, but we must have the blueprints of the city's sewers, otherwise we will blindly enter the sewers and lose our direction, and turn around in the city center. ”

Dong Zideng, who didn't expect this, was stunned and said hurriedly: "Then what should I do, I finally thought of a feasible way, I won't be stillborn." ”

"Don't worry, I'll look for the design drawings of the city sewers in the reading room tomorrow, and even if I can't find them, there is a way to get out of here through the sewers, but it may take longer, but the chances of escaping in the sewers are definitely much greater than on the ground."

Dongzi nodded and said, "Well, Yang Qian, what you said makes sense, but let's go back first, we've been out for a while, otherwise they won't be able to see us when they wake up." ”

As soon as Dongzi said this, Yang Qian thought of this, and nodded immediately: "Okay, then let's go." ”

After returning to the café, Yang Qian finished reading the rest of the book, the sky was already bright, and after breakfast, Yang Qian told the others his thoughts.

"Escaping the sewers sounds like a good idea, but the sewers are too dirty."

Guo Yuan glanced at Wang Keni and said, "Don't go if you're afraid of getting dirty, stay here and feed the zombies." After saying that, he grimaced.

Wang Keni blushed angrily and said, "Dead Guo Yuan, stinky Guo Yuan, you bully me again, I can't spare you." ”

Ignoring the two of them, Su Yurou asked, "Yang Qian, how sure are you that you can escape from this city through the sewers?" ”

Yang Qian thought about it seriously and said: "Before there are no design drawings of the sewer, I am only fifty percent sure, after all, the sewer is dimly lit and intricate, and one will get lost in it if you are not careful." ”

"There's no better way?"

"It's the best I can think of."

……

After the discussion, Yang Qian still had a fire axe in his hand, and after leaving the café, he quickly ran towards the predetermined goal.

"The design drawings of the urban sewers should belong to the architecture category, so the architectural books should be in the fifth reading room on the second floor."

Yesterday, Yang Qian cleaned up most of the zombies in the two borrowing rooms on the second floor, and at this time, Yang Qian rushed into the fifth lending room and only saw a few zombies wandering.

"Get out of here, do you know how to be polite, don't you see I'm busy!"

Yang Qian punched and broke the spine of a zombie who rushed over. Yang Qian trotted on the edge of the bookshelf, and searched for books between the shelves with a pair of eyes, but after reading all the books on the shelves, Yang Qian did not find the design drawings of the sewers in the city.

Yang Qian gritted his teeth hatefully, and said angrily: "Damn, such a big library doesn't even have a design blueprint for a sewer. Realizing that he would not gain anything if he looked for it any longer, Yang Qian had no choice but to quickly return to the café.

As soon as he entered the café, Dongzi, who had been waiting for a long time, asked, "How is it, did you find it?" ”

Yang Qian shook his head and said regretfully: "I didn't find it, but it doesn't matter, you can go out without drawings, everyone prepare, take all the valuable things, we are ready to go, I think it's time to leave the city." ”

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