This statement completely subverted the world view of the Ninth Princess. They could not believe that they lived on a ball.
In fact, Jin Feng knows a lot of theories that can prove that the earth is round.
For example, during a lunar eclipse, the projection of the Earth is round.
For example, Foucault's pendulum experiment.
But Ninth Princess and the others have never learned any physics knowledge. No matter which theory, Jin Feng has to popularize a lot of physics knowledge before they can understand it.
This process is too long and cannot be explained clearly in a few sentences.
And even if Jin Feng said it, they might not believe it.
In the end, Jin Feng could only point to the globe and said: "I asked people to build a dock in the East China Sea. After building ships that can sail long distances, I will form two fleets, one heading west and one heading east.
go straight.
I'm sure that the fleet heading east will eventually come back from the west, and the fleet heading west will come back from the east, and you will understand then."
"Brother, among the doctors in the mansion, are any of them good at treating evil spirits?"
Qing Mulan turned to look at Qing Xinyao: "I think sir is possessed."
"You are possessed!"
Jin Feng slapped Qing Mulan, feeling powerless in his heart.
He couldn't help but recall that one summer vacation in his previous life, he came home and found that his mother had been deceived by a health care product seller. He took out all the hard-earned money he had saved and bought a lot of health care products.
These health care products are beautifully packaged. The boxes, instructions and labels are all in pure English and look very stylish.
But after Jin Feng took a quick look, he discovered that the main ingredient was almost all starch, which aside from looking good, was useless.
Of course, it can't kill anyone.
After all, the main ingredient is starch.
The manufacturer is not a large foreign company, it is just a small county in this province, and the road names are all pinyin.
But no matter how Jin Feng tried to persuade her, even if she pointed at the recipe table and told her what the English words meant, she still didn't want to believe it.
On the contrary, he thought that Jin Feng had little knowledge and did not know the miraculous effects of health care products.
When he got angry, he directly scolded Jin Feng for being unfilial. He had worked so hard to support him in his education, but in the end, he was unwilling to let him buy medicine.
At that time, Jin Feng was so angry that he beat the wall, but there was nothing he could do.
Now facing the Ninth Princess and the others, Jin Feng felt that powerless again.
Even though I know the truth clearly, I can't explain it clearly to the other party.
Not only that, the other person also looks at you as if you are sick.
"Forget it, let's not talk about this anymore, let's continue talking about the country where cotton is located."
Jin Feng knew that there was no point in continuing to argue, so he simply put down the globe and spread the world map on the table.
He took some time to draw this in Xihewan. Although it is not standard, the outlines of each continent and ocean are roughly drawn.
"Our Dakang is here, Dangxiang is in the northwest, Khitan is in the northeast, and across the Yalu River from Khitan is Goguryeo. These islands next to Goguryeo are the Japanese country."
Jin Feng pointed at the map and explained to several people the countries surrounding Dakang.
"I've heard people say before that the Japanese pirates on the East China Sea are making a lot of noise, and they come from such a small place?" Qing Mulan said, pointing to the map.
"The Japanese country is not only small in area, but also suffers from frequent natural disasters such as volcanoes and earthquakes. Therefore, they have been coveting the fertile and stable Central Plains. No matter when, we must not relax our vigilance against them."
Jin Feng looked at the Ninth Princess and reminded: "There is also Goguryeo, who usually looks humble and submissive, but they are also a bunch of shameless people, so we need to be careful as well."
"Goguryeo and Japan were the places where Dakang exiled criminals before. They are the descendants of despicable people, and their behavior is naturally despicable and cruel."
The Ninth Princess said: "If the Dangxiang, Khitan, and Tubo hadn't been harassing us all these years, Grandpa Huang would have dealt with them long ago, and he wouldn't have allowed them to come to the East China Sea now."
"Isn't this out of control?" Jin Feng said: "Anyway, tell your father that you'd better be wary of them."
"I understand." Ninth Princess nodded.
"Dangxiang and the Khitan are a group of fanatical warriors further north. Dakang is still separated from them by the Khitan. There is no need to provoke them now. Let's look south."
Jin Feng pointed to the south of Dakang: "This is Tubo, and south of Tubo is Dazhao, which is the focus of what I want to say next."
"Sir, are you planning to take action against Dazhao?" Ninth Princess frowned slightly.
Dazhao is located in the southwest of Dakang, at the junction of Sichuan and Sichuan, and occupies the Yunnan-Guizhou region as well as some areas in northern Myanmar, Laos, and Thailand.
The successive kings of Dazhao believed in Buddhism, were relatively peaceful, and had a fairly good relationship with Dakang. It was the only country surrounding Dakang that was not hostile to Dakang.
Dakang is now surrounded by jackals, so naturally he will not take the initiative to provoke Dazhao.
The two parties got along quite happily.
If Jin Feng wanted to attack Dazhao, the Ninth Princess would not agree to it, no matter how much she valued him.
"Dazhao has been doing his duty to chant sutras and worship Buddha. Why should I beat them?"
Jin Feng waved his hand and said: "I want people to search for cotton seeds from Dazhao Kingdom. If there are no cotton seeds in Dazhao Kingdom, then go to Tianzhu from Dazhao to find them."
"This is a good method. Although it takes longer to walk, it is safer." The Ninth Princess nodded repeatedly: "We have just destroyed Danzhu. Sending people to Tubo means death. It is best to take a detour from Dazhao Kingdom."
"Going to Dazhao Kingdom is not just a detour," Jin Feng pointed at the map: "There is a country called Jiaozhi in the south of Dazhao Kingdom. Does Your Highness know about it?"
"I know that it used to be a vassal state of Dakang, and it went to the capital to pay tribute every year. In recent years, Dakang has been unstable and bandits are rampant. The envoys of Jiaozhi who paid tribute twice were robbed by bandits and stopped coming."
The Ninth Princess sighed and asked, "Why do you talk about Jiaozhi, sir?"
"In the south-central part of Jiaozhi, there is a small country called Champa. There is a kind of rice called Champa rice." Jin Feng said, "I want to send someone to get some."
"We have rice in Dakang, so why do we have to go all the way to Jiaozhi to get it?" Qing Mulan asked.
"Champa rice is extremely adaptable and is very suitable for planting in the hilly terrain of Jiangnan. It has high yield and a short growth cycle. It only takes fifty days from planting to harvest. Can Dakang's rice do the same?"
Jin Feng glanced sideways at Qing Mulan.
"It only takes fifty days from planting to harvest?!" The Ninth Princess was surprised: "Do you take this seriously?"
"Of course it's true!"
"Sir, please find Champa Rice!"
A glimmer of light flashed in the eyes of the Ninth Princess.
Although the land in Jiangnan is fertile, its grain production has its limits. Jin Feng and the dignitaries brought in a lot of food in the autumn, but now there is not much food in Jiangnan.
Jin Feng was able to get food this time, but what about next time?
This year, many areas in Sichuan and Sichuan have failed to harvest. Even if they are sown in spring next year, it will take several months to harvest, and there will be no time at all.
If the Champa rice that Jin Feng said can really be harvested in fifty days, this big problem can be solved.
"Don't worry, Your Highness, I will definitely get Champa Rice back."
Jin Feng first promised, and then poured cold water on the Ninth Princess: "But I advise Your Highness not to have too high expectations, at least not next year."