Under the sunlight, it looks brilliant. On both sides of the galloping road, there stands the majestic palace high courtyard, and the Yongyu flies together, passing each other and each other, as far as the eye can see.

The city walls are surrounded by a meandering moat, rippling green waves, beautiful scenery, and high-rise buildings. The imposing roof ridge sandwiched the emperor's road, and the willow shade obscured the river that flowed through the palace.

Before Pei Xuanling left, he also reminded Yi Xue that not only copper and iron are the central monopoly, but also salt.

It is managed by the central salt officials, and the salt monopoly is produced by the salt people under the supervision of the government, purchased by the government at a fixed price, and transported and sold by the government. The iron monopoly took the government. ”

The ancient copper ore in the area of Tongguan Mountain is widely dispersed, of which there are nearly 100 mining and metallurgical places, among which the larger ones are Tongguan Mountain, Phoenix Mountain, Lion Mountain, Jinshan, Tongshan and other mining areas, each forming a mining and metallurgical center.

It is also worth noting that there are often copper smelting sites near many mining sites, as well as various copper products, including bronzes, production tools, and weapons from Shang to Zhou, as well as stone and copper models used to cast copper products.

It can be seen that the production layout here at that time has formed a one-stop process of mining, smelting and casting, thus forming large-scale production.

If you look closely, the lawn is covered with a small grass with purple flowers, with long and narrow blades and flowers like toothbrushes. Although it is not gorgeous, it still looks full of vitality in a large area.

This is called "patina", which only grows in copper-rich soil, and is a landform plant for copper ore.

After the Yellow Emperor defeated Chiyou, he learned the smelting technology from Chiyou and sent people to Kunwu Mountain to mine. The mineral deposits of Kunwu Mountain are indeed very rich, and there are all kinds of iron and tin, but at that time, people did not distinguish between them, and only knew about smelting copper and iron.

Ma Jun also made a long-lost guide car. Regarding the issue of Ma Jun as a guide car, as well as the controversy with Gao Tanglong and Qin Lang in the court, there are very vivid descriptions in the history books.

Bi Lan once "overturned the car" for sprinkling the road. This was about half a century before Ma Jun. But it is unknown whether Bi Lan's overturned car is the keel waterwheel of later generations.

At this time, Pu Yuan invented the wheelbarrow, often called the wooden ox", "Lian Yang Shuangyuan, six feet of people, four steps of oxen, people carry one-year-old grain". This unicycle is suitable for walking on rough trails and has been widely used for more than a thousand years.

Fabric printing and dyeing technology is directly inherited from the previous dynasty. According to the book, in the previous dynasty, it was able to dye more than 14 colors.

The Queen Mother sighed, she didn't expect Sima Ji to know this, the first time the male protagonist saw the female protagonist blushing and looking strange, the imperial doctor was shocked, memories flashed in his mind, and his expression was declining Si Kui was happy to see the old man.

The tea soup that Yi Xue praised was effective, and I didn't think I had an understanding of tea soup, but I had never heard of this kind of tea soup, and I would go up the mountain to pick it myself, Si Kui mentioned that Princess Yi liked flowers when she was a child, and the heroine blushed again.

On the second day, Yi Xue and Yuan Cheng entered the palace as usual, and returned to the mansion at noon, planning to study the notes after lunch, but before they could get out of the dining hall, they were stopped by Yuan Cheng.

"Miss Tao, we're going to a place today." Yuan Cheng beckoned to her, "Go and prepare some pen and paper, come with me......"

Because of yesterday's incident, Yi Xue was no longer naïve, and did not leave immediately, but first cast a suspicious gaze at Yuan Cheng.

"Go to the porcelain, calligraphy and painting shop." A moment of displeasure flashed in Yuan Cheng's eyes, "Miss Tao, don't forget your duty." ”

Hearing this, Yi Xue immediately understood, hurriedly returned to her room, took her things and walked out, and did not dare to slack off, on the second day of living in Yuancheng's courtyard, Uncle Mo Chen had already prepared paper and pen in her room.

Looking at the back of Yi Xue in the distance, Yuan Cheng suddenly felt that his change last night was a bit more than worth the loss, in front of his own scholar, why be so careful......

The two walked on the street, Yuan Cheng put his hands behind him, strutting his head, and Yi Xue was holding a pen and paper in his hand, looking left and right, looking more and more like a son and a scholar.

"Yuan-sama, you haven't even told me yet, why did we go to these places?" Xue Xue turned her head and asked.

"Miss Tao is so smart, shouldn't she have guessed it?" Gencheng glanced at it.

"Ah......" Yi Xue laughed dryly, "but it's not just speculation......"

At this time, the two had stopped in front of a porcelain shop, and Yuan Cheng walked into the store without saying a word, and Yi Xue had to follow.

"Yo! Lord Yuan, you're here, rare guests, rare guests......" Before Yuan Cheng could speak, the shopkeeper took the initiative to greet him, "Do you want to help people pick up things?" ”

"No, I want to ask the shopkeeper for advice today......" Yuan Cheng bowed his hand to the shopkeeper.

"Lord Yuan is polite, you are very knowledgeable, I am a seller, what else can I teach you!" The shopkeeper laughed so hard that his face was about to fold.

The two talked very happily, Yi Xue was like an outsider, she remembered what He Laichao said, Yuan Cheng is quite famous, and today can be regarded as seeing it with her own eyes, but she didn't expect Yuan Cheng to be kind, this appearance has never been seen in the palace.

Yi Xue was thinking about it, and Yuan Cheng's words suddenly sounded in her ears: "Miss Tao, if the following words are different, you can pick and remember them......"

What do you mean by provoking...... Yi Xue was a little difficult, she just wanted to ask, but Yuan Cheng had already talked to the shopkeeper, she had no choice but to start writing non-stop, just felt that it was too late, and suddenly found that Yuan Cheng asked what he mentioned yesterday.

After reacting, Yi Xue became calm, surprised at how Yuan Cheng could remember everything, and at the same time, he was a little inexplicably happy in his heart.

After talking to the shopkeeper, Yuan Cheng immediately looked at the notes of the shopkeeper, the two were a little close, and the snow felt a little uncomfortable, and soon, she felt the strange gaze of the shopkeeper.

Yi Xue felt that Yuan Cheng must have noticed it too, but he seemed to pretend not to see it, and after making up for the negligence, he also provoked his own fault.

"Miss Tao's handwriting is a ghost drawing...... Yuan Cheng said.

"It's not just now, it's a bit of a hurry, I can understand it myself......" Yi Xue said, and couldn't help but take a half step back.

After the two finished speaking, the shopkeeper also opened his mouth, only to see him glance at Yuan Cheng meaningfully, and said to Yi Xue with a smile: "This girl, it's the first time I've seen you!" ”

"Miss Tao, the scholar below......" Yuan Cheng said, and moved half a step to Yi Xue's side.

"The shopkeeper is a good ......," Yi Xue greeted the shopkeeper

After that, Yuan Cheng staged the same scene again, and Yi Xue felt that there was a problem, but she couldn't figure it out for a while.

"Now, Miss Tao knows, what are we going to do on this trip?" On the way back, Yuan Cheng took the initiative to speak.

Yi Xue thought for a while, and then replied, "Do you want to explain the things on the list to Your Highness?" ”

"Hmm......" Gencheng paused, "Half-guessed." ”

"What about the other half?" Yi Xue hurriedly asked.

"On the fifteenth, you'll know......" Yuan Cheng hooked his lips.

15th ...... Yi Xue thought about it, remembering that last time, when he and Izuran Lang said to go to Chang Shitang to help, Yuan Cheng seemed to have mentioned this day as well.

"On the fifteenth, is there anything going on?" Yi Xue looked innocent.

"Entering the palace to explain the directory......" Yuan Cheng finished speaking, and emphasized again, "On that day, Miss Tao should remember to wear another dress." ”

Yi Xue didn't think much about it, so she answered, and after a while, Yuan Cheng added: "Let's change the bun too......"

"Buns?" Yi Xue was stunned for a moment, "But, I won't comb the others......"

"I'll go and talk to Gen Wen Ji and let her help you......" Gen Cheng disagreed.

"Miss Yuan?" Yi Xue was surprised, "But, didn't she go to the martial arts field that day?" ”