Last time, Liang Xu finally planned to go to Luoyang to find Huangfu Song.

In fact, when Kong Rong left Yingling County, Beihai County, Kong Rong had already sent an official letter to Huangfu Song that Liang Xu had been found. After Huangfu Song received Kong Rong's official letter, he thought that Liang Xu would return in ten days and half a month, but who knew that he had waited for more than a month, but he only waited for the letter about Liang Xu from Xun You.

The letter was written by Xun Yu, and the letter said that Liang Xu was now studying with him, so that the Duxiang Hou did not have to worry.

Because the reason why Huangfu Song looked for Liang Xu was just to take him away and cultivate him, according to Liang Xu's age of only five or six years old, it was impossible to recommend him to the imperial court to serve as an official at this time, so since Liang Xu is now studying in the world-famous Yingchuan Academy, and he is also personally taught by the son and nephew of the super-famous Xun family Balong, Huangfu Song is of course relieved.

Huangfu Song also replied to Liang Xu to study at Yingchuan Academy with peace of mind.

But after all, it was Huangfu Song who excavated Liang Xu, and it was Huangfu Song who gave Liang Xu the opportunity to go out and travel, otherwise Liang Xu would probably still be engaged in scientific research in his fishing village now, and it would be impossible to know and apprentice to Xun Yu.

Liang Xu has really learned a lot and gained a lot during the days that Liang Xu has studied with Xun Yu.

For this reason, Liang Xu also felt that it was necessary for him to say thank you to Huangfu Song in person.

Xun Yu also agreed with Liang Xu's idea, and planned to accompany him to Luoyang. Xun Yu's plan is to go to Luoyang to meet Huangfu Song, and then take Liang Xu to Hanoi County to visit Sima's family, he thinks that his student is good at everything, but it seems that he has never seen the world, and he will always be stunned when he sees some capable people, so he plans to take him out for a walk.

Because Liang Xu thought that he would follow Xun Yu back to Yingchuan Academy, so he only planned to take Tai Shici, a super bodyguard, out for a spin, who knew that Xi Zhong and Guo Jia didn't know where to know the news that they were going to go far away, so they said that they would go together, Liang Xu knew that the two of them just wanted to continue to eat before saying that they would come with them, and in order for Liang Sheng and their studies would not be interrupted, Liang Xu could only choose to take the whole family on the road together.

Xi Zhong and Guo Jia, although they are also scholars, but the situation of the family is not good, although it is not so bad that they can't open the pot, but after a period of time with Liang Xu's fragrant and spicy drinks, with their good wine and lustful virtues, they no longer want to continue to go home to live their "poor" life. And only Liang Xu, the only one who is wronged, is willing to take care of their food, who do they rely on Liang Xu?

In fact, Liang Xu was secretly happy that he had picked up two treasures for nothing, and these two guys were not the kind of men with amazing amounts of food like Xu Chu and Dian Wei, not to mention that Liang Xu was behind the Yellow Turban Army, with strong strength, he didn't have to worry about being eaten bankrupt by these two weak scholars.

On the contrary, Liang Xu was also very worried that these two living treasures would be as short-lived as in history, but he was embarrassed to ask about other people's private lives, after all, he himself was only six years old after this summer, and it was a bit too lenient to say that the elders were too lenient as a senior.

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When Liang Xu left Yingchuan this time, the number of people in the team was several times larger, in addition to the seven members of Liang Xu's family, there were also Xun Yu who was traveling with him, and his entourage, plus Xi Zhong and Guo Jia, as well as Xun You and Zhong Xuan, who went back to Luoyang to work, and their entourage. The whole team was mighty, which made Liang Xu suddenly feel that the size of his team's team was shabby enough.

However, Xi Zhong and Guo Jia didn't feel uncomfortable at all, and squeezed into Xun Yu's ox cart and Liang Xu's carriage respectively.

On the way, Liang Xu once found an opportunity to get close to Xun You and Zhong Xuan, but Xun You has been frowning and looking preoccupied, which made Liang Xu retreat from the difficulty, and although Zhong Xuan did not reject Liang Xu thousands of miles away, Liang Xu and the older (thirty-five years old) Zhong Xuan have no common language, there is a generation gap, and they can't talk together.

In fact, there is a generation gap between Liang Xu and all the people around him, and it is two thousand years apart, the reason why he can talk freely with Xun Yu is because they are talking about academic issues, but since his teacher is by his side, Liang Xu is not good at finding others to answer his questions in front of his teacher, so he can't talk to other celebrities at all.

Xi Zhong and Guo Jia are an exception, Liang Xu and the friendship between the two of them is born out of eating, drinking, and eating.

When passing through the Tiger Prison Pass, Liang Xu originally wanted to take a closer look, but Xun You and Zhong Xuan rushed back to work, and Liang Xu had to give up his plan.

Hurry up on the road, and in seven days, Liang Xu and the others arrived in Luoyang.

This is the first time Liang Xu has seen what should be the most majestic city in the Han Dynasty, the scale is indeed large enough, and he can't see the edge at all, the outer city wall is nearly four stories high, but it is the same as the city wall that Liang Xu has seen in other counties, it is still a rammed earth wall, he originally thought that the capital Luoyang would be a little different, but unfortunately in addition to being longer and taller, the materials used are still the same.

Liang Xu's understanding of the city wall still stayed at the Ming and Qing city walls he had seen in his previous life, and he was very skeptical that the earthen wall in front of him could withstand the attack of the super heavy rain.

This made Liang Xu have another research direction in his mind, that is, he had to get the cement out, but he didn't know the firing process of cement.

Liang Xu and his entourage entered Luoyang City in a mighty way, and Zhong Xuan took his servants and everyone separately and went straight to the direction of his house.

Liang Xu's family has few people, even if you count Xi Zhong and Guo Jia, there are only nine people, so Xun Yu plans to arrange them in the other courtyard of Xun Mansion, and Xun You wants to go back to his own mansion, so the two are separated.

Liang Xu was on the way to Xunfu Courtyard with Xun Yu, he kept thinking about the problem of cement, he remembered ancient Rome at the same time as the Han Dynasty, and he remembered the Colosseum and aqueduct in ancient Rome.

The Colosseum is great not because it's big, it's high. The arch structure was a factor, but another important reason was that Rome had already made cement at this time.

The same goes for aqueducts. Because Rome had waterproof cement, the Roman cities were freed from the shackles of water, which allowed the territory of Rome to cover the vast land of three continents.

So, how did Rome's cement come about?

Liang Xu remembered a documentary program he had watched in his previous life, which mentioned the cement of ancient Rome.

The show uses the volcano-destroyed city of Pompeii as an introduction, explaining why the Pompeii people killed themselves and built the city next to an active volcano. That's because the volcano brought a lot of wealth to the Pompeians, who used volcanic ash mixed with quicklime to make waterproof cement. ≈40b; Late Han Dynasty Zhangjiaji≈7a; ≈54b; ≈01d; ≈65b0; ≈7a0; ≈八八; ≈7b; ≈65f6; ≈95f4; ≈514d; ≈VIII d9; ≈8bfb;