After Mrs. Kui finished speaking, she added a few more words: "It is these divine fires that make not a single grass grow in the basin, and no plants have grown until now, and the Heavenly Pupil God has cursed these basins." ”

Song Siyuan took out the telescope and carefully observed these black and swarthy basins, it was indeed strange that there had been no grass for nearly two thousand years, but she didn't think that the divine fire was really the curse of the Heavenly Pupil God, and she continued to ask: "These divine fires are dissolved in water, do they have a lot of halos like oil flowers?" ”

Mrs. Kui nodded: "Indeed, how do you know?" ”

Song Siyuan nodded at her: "This is not a divine fire, I think it should be oil." ”

Greasy and viscous, dark color, falling in the water and oil flowers, once burned on the body, even if it is splashed with water, this characteristic of the liquid, in modern civilization is called crude oil, but, during the Northern and Southern Dynasties, there is probably no gasoline produced, then this kind of divine fire, should be with the ground oil that rises.

Song Siyuan said to everyone: "The gasoline fuel of the car is the product of crude oil refining. ”

Yue Guanchao teased: "Song Qianjin, you won't say that during the Northern and Southern Dynasties, the ghost people had already started to use gasoline, right?" ”

Song Siyuan shook his head and retorted: "That's not it, the ancients at that time did not have the technology to refine gasoline, but the liquid of petroleum is the product of the deposition and change of the remains of ancient organisms, and it has existed since ancient times. ”

"In 1859, there was an American named Edward, who discovered lime rock oil in Pennsylvania, and since then, the world has begun to try to refine petroleum products from this black oil, until now, gasoline extracted from petroleum has been used in automobiles, and as for other by-products, there are many other applications."

"Just!"

Song Siyuan said this: "Speaking of which, Westerners are only the first to explore the application of oil on a large scale, but the main thing is to be honest, it is not Westerners who really discovered oil in history, but our ancients." ”

It is recorded in the "Hanshu Geographical Chronicles" that Dingyang, Gaonu, has water and is combustible.

Dingyang and Gaonu are the local names of the Han Dynasty, probably located in the northeast of Chang'an, and Weishui is actually gravy water, which means that the water here is the same as gravy, viscous and turbid, and can be burned for lighting.

In the period of the Northern and Southern Dynasties, Li Daoyuan of the Northern Wei Dynasty also recorded oil in the "Water Jing Note", Li Daoyuan this person likes to travel to the mountains and water, looking for geography, when he passed through Jiuquan Yanshou County, he found a special spring water in the nearby Nanshan, this spring is not a clear and sweet spring, but a kind of viscous dirty water as fat as gravy, the color is close to yellow and black, the texture is relatively thick, just like the half-condensated lard, after ignition becomes extremely bright, but the taste is extremely unpleasant, ordinary people can not drink, after talking with the locals, He found that the locals called this liquid stone paint, and the spring that flowed out of this liquid was called stone spring!

Extrapolating from the example just now, they are describing the same thing, presumably oil that spilled out of the ground in ancient times.

During the Northern Song Dynasty, the first oil well had appeared in the Gaonu area, and the oil produced needed to pay tribute to the imperial court about 100 catties, and the oil was not only used to make utensils, but also used in various new firearms in the Northern Song Dynasty for foreign wars.

In the Southern Song Dynasty, Shen Kuo directly gave an accurate description of this liquid in "Mengxi Writings" - there is oil in the territory of Yan and Yan, and it is said that Gaonu County produces fat water, which is also. Born in the water, the sand and stone and the spring water are mixed, and come out in a melancholy, the native people take the pheasant's tail to carry it, and it is extracted into the reed, quite like pure lacquer, burning like hemp, but the smoke is very thick, and the curtain is black.

In addition, this liquid has many other miscellaneous names among the people, such as stone lacquer, paraffin, naphtha, fierce fire oil, realgar, sulfur butter, regardless of the name, the ancients did notice that this liquid does not seem to be something cursed by the gods, but a fuel for which they have not yet known the purpose.

Under this cognition, the ancients also explored the use of oil, for example, oil can be used for lighting, but also used to make ink, paint, anti-corrosion, waterproof, lubrication, and even used as medicine, to kill insects and sores, to treat children's convulsions and diaphragm, vomiting and phlegm.

"So what do you mean, are these divine fires really undiscovered oil? So how to let the foreigners take the lead. ”

After listening to so many words, Yue Guanchao also understood that the ancients probably really began to use oil, but by now, oil has been called foreign oil by the people, which shows that the people's understanding of oil has become less.

Song Siyuan explained: "That's also a helpless thing, we have invented gunpowder in the Tang Dynasty, and gunpowder has been used in new firearms in the Northern Song Dynasty, but why is it now, but it is still the era of cold weapons with knives, isn't it because the people's wisdom has not been opened, and the country is closed!" ”

Her tone became serious: "The same is true of oil, when oil was discovered, the ancients did not do much research on the formation, properties, and uses of oil, but only regarded them as another fuel that can replace charcoal and firewood, and initially explored how to use it." ”

"Like what ink-making, lacquer-making, medicine, lighting, medicine, these are very practical explorations, and there is less exploration of how they are formed, chemical structure, and application prospects, and they only stay in the initial exploration stage."

"Although Westerners discovered it relatively late, they had already had systematic scientific innovation before the discovery, and they conducted various experiments on oil after discovering it, and have already studied a variety of refined products of oil, and the Chinese people of the same era were not in a position to do so."

Song Siyuan paused and looked at everyone: "To be precise, the Chinese people don't care how oil comes from, and they don't look at their specific role, they only know that they can be used to replace fuel. ”

"Under this attitude, it is understandable that the ghost people regard oil as a divine fire and a ghost fire."

Mrs. Kui shook her head: "No, no, if it's just ordinary fuel, then why don't these cities grow an inch of grass for two thousand years." ”

Song Siyuan smiled at her: "That's because the land is polluted, oil is indeed widely used, and there are many refined products, but there is only one disadvantage, that is, it is not conducive to the environment, even if it is refined gasoline, the exhaust gas produced is enough to pollute the environment, once this unrefined oil is burned, it is even more harmful to the environment, and even can poison people." ”

"My guess is that the oil burning has polluted the topsoil and made it unproductive for thousands of years, not a curse of some god."

After that, Song Siyuan looked at the depressed Ghost Fang Ancient Kingdom, her eyes were empty and full of worry: "I never thought that God's curse would cause the current situation, but there is one thing that I am really strange, I can burn the two basins like this, which shows that there is probably a lot of oil hidden under the Ghost Fang World." ”

She turned around and became extremely worried and said: "The problem is that most of the oil is hidden under extremely deep strata, and it is impossible for ordinary ancients to dig up oil casually, unless there is an earthquake and blasting, which cracks the deep strata, and then the oil gushes out of the river through the pressure of the underground and the original underground underground tunnels, forming the spectacle of the river bubbling black water they saw!" ”

She paused, and her tone was extremely serious: "If you assume that the earthquake factor exists, then think about what Mrs. Kui said, before the oil came out of the water, the entire Ghost Fang Basin probably experienced an earthquake. ”

Speaking of this, everyone looked at the old lady Kui, and the old lady also understood what everyone meant, and nodded meaningfully at everyone: "Indeed, long before the river was black, the whole basin had already begun to shake the mountains, as if the mountain god was angry, and countless houses collapsed. ”

Song Siyuan nodded at her when she heard what she thought: "Then it's not surprising, probably during the Northern and Southern Dynasties, there was an earthquake in the entire basin, and after the strata cracked, oil gushed out through the underground river, directly incinerating the Ghost Fang civilization, instead of dying from the curse of the Heavenly Pupil God." ”

"The only strange thing now is, why did there be an earthquake in the basin after the great change in the temperament of the Heavenly Pupil God? As for the cause of the earthquake, we don't know yet, but it must have something to do with the giants. ”

After that, she paused, and her eyes lit up: "I still have a completely irrelevant guess, is it really just to create some secret passage for sneak attacks when the Beifu soldiers dig the tunnel?" Is it possible that it is also to find the stone grease that the ancients said! ”

"Of course, that's just speculation."

After explaining the reason for the destruction of the ghost world, everyone began to think about how to climb up to the mound of clothes, the platform was dozens of meters high from the ground, and there was no plank road, if they wanted to go up, most of them would borrow the climbing claw again.

After some exploration, Sun Tianqi used the climbing claw to grab the shrubs on the mountain wall and climb onto the table in front of the mound of clothes, and put down a few climbing ropes.

Far and small, clouds and fog, everyone stood on the hanging platform in the middle of the mountain, facing the tall palace of the well-dressed mound, not only felt luxurious, but also a kind of awe.

Regardless of whether Liu Yu is buried here or not, at least this is the soul of the Beifu soldiers who sacrificed for the Northern Expedition, and this purpose alone is enough to make people awe-inspired.

In front of them, in addition to the innermost main hall and the pagodas on both sides, there was a room-sized bronze tripod in the center of the wide field, which was mottled with green and thick moss, and was surrounded by gluttonous dark lines, and between the ravines was full of dirty blood, as if covered with several layers of plasma.

In addition to the bronze tripod feet, there are two other head horns, covered with scaly hair, with the front paws to climb the tripod ear, firmly fixed the tripod mouth, the mouth full of fangs just opened as wide as a dragon's mouth, aimed at the two sides of the tripod mouth.

In the middle of the bronze tripod, there are three copper pillars that are slightly thicker than people, and the five-colored ghost face is carved on the pillar body, until the top turns into a gluttonous head, and the long mouth is terrifying.

Isn't it that everyone is dazzled, the gluttonous eyes are always bright and red, as if they are angry, spit out a faint white smoke from their mouths, and it looks like they are using the furnace to pay tribute to the heroic soul of the clothed tomb!