Especially in the corners near pigsties, stables, and toilets. Just put this kind of nitrate-containing clods in a bucket and soak them in water. After filtration, the filtrate is boiled or dried to obtain saltpeter crystals.

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Wait a minute...... When the climate is dry, it's damp in this hellish cave. Of course, it turns out that there is a thick shell in the urine pool of the honest toilet, which is also nitrate.

Wen Fei took a closer look, and could vaguely see some ancient murals, but they were blocked by silt and moss, and he couldn't see clearly.

Wen Fei pointed casually, and in the empty hole, a whirlwind was born. The tornado became more and more urgent, and soon the stagnant water and mud in the cave, and even the crocodile corpse, the blood that had just sprayed on the walls of the four places, were swept into it, and then Wen Fei pointed at it again, and the whole thing flew out of the cave.

However, in a short period of time, the cave seemed to be cleaned and cleaned, and even the air had a faint fragrance. Not so long ago, it was a filthy, rancid crocodile nest.

The ancient petroglyphs on the walls became clear, all carved into the rock walls. Perhaps long ago, these rock faces were painted with various colors. But in this humid air, there is no more left now.

These petroglyphs are ancient and abstract, and if you are not an expert, you will definitely not be able to understand it if you are an ordinary person.

Just as Western realistic oil painting was at its peak, Picasso drew inspiration from the ancient art of the Americas and China. Created his abstract paintings.

And the murals in front of Master Wen Da are almost all inferior, abstract and messy.

But Wen Da Heavenly Master. Although I don't have that high level of art appreciation, I can still see a lot of content directly from the petroglyphs.

This is the trace left by the ancient ancestors who hunted here to make a living and lived a hard life here. They lived and sacrificed here, and this cave was a place of worship for those ancient ancestors.

It's just that although these petroglyphs have survived, these ancestors have long disappeared in the long river of history. Maybe they're all dead, maybe they've moved out of this place. Even their former most solemn place of worship has been turned into a crocodile hole.

Then Wen Fei stopped his boring sigh and found that there was a deeper hole in the crocodile hole. It's just covered in silt. Let him Wen Da Heavenly Master not even notice just now.

As he walked in, it became very dry, no wonder crocodiles only lived in the holes outside. For this inner cave, which is much higher, he is disdainful.

The hole was small. Even the Great Heavenly Master of Wen had to be short to enter. The inside is very dry, and the cave outside is simply two worlds.

This cave is also full of various ancient murals. Even because it is dry and preserved, it is much better than the outer cave.

Then, after a few big turns, I saw large chunks of crystallized ore......

Little by little, the light dissipated, turning into those light dust, and dissipated like dust in the air.

Then. Wen Fei had already returned to this Fuyuan City.

This time he came back, and it didn't cause a stir in the city. Everyone left what they were doing and came to bow down to him.

Perhaps these city-states themselves have not seen the world, and they are tired of this kind of style. But for Master Wen, it's just very boring.

The entire Fuyuan City is busy now, except for those warriors. The other men, women, and children all cut down big trees nearby, tied them up and made wooden rafts.

Maybe this is a very simple thing for future generations, and it can be done in minutes. Even if it is placed in the Great Song Dynasty, there is nothing difficult about it.

But for Fuyuan City, it is very difficult. There are no iron tools. It is definitely not an easy task to cut down a large tree with the help of stone and wood. Two or three people come down, and they can't cut down a big tree in a day.

Fortunately, Wenda Heavenly Master has long been accustomed to the backward productivity of this place. He wasn't too anxious in his heart, otherwise he would face this situation. It can really vomit blood.

In the entire American continent, no large animal was domesticated into domestic animals, so it is understandable that the wheel was never invented. However, their gold refining and crafting skills have reached their peak, but they have never been able to master the skills of smelting iron horses and even bronze, but they almost vomit blood!

Of course, the unscrupulous Wen Da Heavenly Master sometimes thinks about it, and when the Great Song army comes over, it can be easily conquered against this kind of opponent, and he is a lot happier in his heart.

Master Wen called people and told them to go to the crocodile cave and get the saltpeter back for themselves. Although there is no sulfur, this saltpeter alone is also very useful......

Jiashan is located in the remnants of Yinshan Mountain, east of Gray Tengliang, west of Wula Mountain, south of Tumo River, north of the vast prairie, as early as the beginning of the Liao State in the first year of the Divine Book, has been included in the territory of Liao, showing the great martial arts of the Khitan people.

But now, more than two hundred years later, it is the hiding place of this grizzled Emperor Tianzuo, who originally had a territory of thousands of miles and millions of iron horses.

He once wanted to escape from this place to the territory of the Great Song Dynasty, and even in the original time and space, he once said: "If the Jurchens come, I have a fast horse that travels 350 miles a day, and I am a brother with the Song Dynasty and an uncle and nephew from the Xia Kingdom, I can go, and I will not lose my life of wealth." ”

It's a pity that in this time and space, the Western Xia also perished in the Great Song Dynasty. He could only flee to the Great Song Dynasty!

It's just that the Jurchens have a deep hatred with him, and Ah Guda can't wait to eat his flesh and his blood all his life. He would never have been given a chance to escape to Western Xia or the Great Song Dynasty.

dispatched an army of famous generals among the Jurchens, Wanyan Lou Chamber, to pull the net to check on this national border. There are scouts every few miles, so as not to give Emperor Tianzuo a chance to escape.

Fortunately, Wanyan Lou and his army clashed with the army of the Great Song Dynasty, and under a big war, no one expected a situation to happen. The Jurchens, who claimed to be invincible, were easily defeated by the Great Song army, and even almost completely annihilated.

When this news reached Emperor Tianzuo's ears, he almost thought it was an April Fool's joke.

It's a pity that in this era, Western civilization is thousands of miles away, and it is very weak, so it is impossible for this April Fool's Day to spread to the East.

As for what Emperor Tianzuo felt in his heart when he heard that the Great Song Dynasty defeated the Jurchens, I am afraid he knew best.

Pity him Emperor Tianzuo led the army of the whole country, and several battles with the Jurchens were tired of defeat, and now they are all at the end of the road to drill the ravine.

However, the Song army, which has always been far inferior to Da Liao, actually fought a big battle with the Jurchens on the grassland, and the Jurchens were defeated and lost, and even Wanyan Lou Room, a guy who was hated by Emperor Tianzuo, died.

How can all this make him feel embarrassed by Emperor Tianzuo? Is it really the relationship between the Great Song Dynasty and the Heavenly Master? Perhaps it is really the way that the people have spread that Taoism is the authentic religion in the world. Heavenly Court can't see that the world is full of Buddhas, and the Heavenly Master is sent down to set things right.

The sad Liao State, but because the whole country is dedicated to Buddhism, the result is unlucky. Although the previous monks and great virtues of the Liao Kingdom dismissed these as nonsense, they swore to Emperor Tianzuo that they would definitely pray for the Great Liao and Emperor Tianzuo in front of the Buddha.

As a result, now he Tianzuo Emperor can only hide in the ravines and ravines, and the guys who swore in front of him before have long since disappeared.

"Your Majesty, the Great Song Dynasty has sent people up the mountain!" Emperor Tianzuo was still thinking nonsense, the envoy of the Great Song Dynasty had already come up to this mountain.

"Please, please!" Emperor Tianzuo didn't care about the dignity of the emperor at this time, and personally came to the outside of the yamen to greet the envoy of the Great Song Dynasty. The phoenix in distress is not as good as a chicken, and in the days when the Jurchens were sent to chase and kill all the way, he had deeply understood this.

The messenger who came up the mountain in the Great Song Dynasty was none other than Miao Lei. He was only accompanied by a dozen followers, swaggering up from the treacherous mountain road.

It doesn't seem to be worried at all, whether Emperor Tianzuo will turn his face and chop him into dumpling filling.

Although Emperor Tianzuo still had a few thousand men and horses, he also got the young and strong guards of the four nearby tribes in Jiashan. At this moment, I tried my best to show the momentum of a great power in front of Miao Lei.

But the Tianzuo Emperor who stood at the door of the Jinsi Yamen of Nashan and greeted him in person had a frosty look on his face, although his body bones looked quite strong, but his temples were already gray. Miao Lei knew that this Liao person had no confidence!

Seeing such a formation, Miao Lei became more and more generous. Everywhere is just a low-level officer in the forbidden army, and the little head of the capital has already been able to let the emperor of Liao go out to greet him in person. This pride has all turned into a light wind and clouds on Miao Lei's body.

"Foreign Minister Miao Lei, I have seen His Majesty the Great Liao Emperor!" Miao Lei saluted and said.

This made Emperor Tianzuo's heart feel relieved, and he put down a big stone. Ha Luha smiled, and pretended to be heroic: "General Miao is a hero, where is the use of so many courtesies! Get up, get up!"

Miao Lei smiled slightly, finished the etiquette in a proper manner, and then stood up straight and said, "The etiquette cannot be abolished!"

This kind of attitude made Emperor Tianzuo's heart iron very much, and it also made the faces of Emperor Tianzuo's private soldiers look too good.

"Your Majesty, I'm afraid you still don't know, Ouyang envoy went to Bianliang again last year. Kneeling and weeping in front of my father's door, I asked the Great Song Dynasty to send troops to aid Liao. I, the great Song Dynasty Son of Heaven and the monk father, felt the loyalty of the envoys, and sent me here to receive His Majesty. Who would have expected to meet the Jurchen 50,000 iron horsemen in the big black water, and he had already won in one fell swoop. The thief chief finished Yan Lou's room, finished Yan Wu's room, etc., all of them were ambushed!" (to be continued......)