"Who lights the candle and blows out the lamp? It sounds pretty powerful! "The empress was still a little confused after being pulled outside.
"It's just a legend. In fact, there's a lack of oxygen inside." Ren Baqian sat cross-legged on the ground and laughed.
"Oxygen? I think I've heard of it before! "The empress pondered and waved her hand. Qing Yuan and Hong Luan carried two chairs over.
"There are actually different components in the air, such as nitrogen, hydrogen, ozone, oxygen, carbon monoxide, and carbon dioxide. There are also various inert gases. Among them, oxygen is what living things need to survive. Without oxygen, they will suffocate to death. "Ren Baqian rested his elbows on the chair and was too lazy to get up.
In fact, it was cooler under the shade of the trees.
In addition, some of the gases in this world were different from those on Earth. This was a conclusion that the research institute had obtained from some microorganisms. However, Ren Baqian didn't bring back a bottle of air, so he naturally didn't verify it.
The empress sat on a chair and waved her hand while listening to Ren Baqian's explanation. "Bring me some wine!"
"It's unknown how long it's been sealed down there. Some invisible microorganisms will consume oxygen, and after a long time, there will be a lack of oxygen. If an ordinary person goes in, they will die in a few minutes! There may also be some other gases sealed inside, which are harmful and not beneficial. Therefore, ventilation is needed before going in, "Ren Baqian explained to the empress. Tong Zhenye and the officials from the Ministry of Works found it interesting and couldn't help but ask, "Why did the torch go out?"
They knew about this phenomenon, but didn't know why.
"It's because of oxygen. Not only do living things need oxygen, but flames also need oxygen. If there's a lack of oxygen, the flame will go out. "Ren Baqian's explanation made them even more interested. This so-called oxygen can really play a lot of roles.
"Under normal circumstances, it will take at least half a day for ventilation to go in," one of the officials from the Ministry of Works said.
"It's easy to speed it up. Find someone in the passage and strike at the door with all their might to drive the air flow and accelerate the air exchange. This will shorten the time."
"Xin Zhe!" the empress called out softly.
"I'll arrange it, Your Majesty!" Xin Zhe had never been slow to respond to official matters and immediately understood.
Soon, the sound of an empty palm striking the air could be heard from the pit. It sounded like a huge object was being waved, but it was somewhat different.
This was much more useful than using a fan!
"Sir Tong, what era do you think this is from?" Ren Baqian asked.
Tong Zhenye shook his head. "I don't know much about this."
Ren Baqian had a vague idea that this passage was probably left behind when the human race was chased out of this place, or perhaps not long after that.
The Soaring Serpent … Even if it couldn't compare to a Qilin or a Dragon, it wasn't too far off.
That was the most likely time to appear.
If that was the case, someone definitely wanted to leave something here.
In that case, Ren Baqian had some guesses about the things on the wall.
"Your Majesty, what do you think that portrait is about?" Ren Baqian placed his palm on the empress's knee. She casually placed a fruit in his hand.
Their movements were as smooth as flowing water, and there wasn't the slightest bit of hesitation in their hands. This made Tong Zhenye's eyebrows twitch.
He inexplicably thought of that woman from back then.
"Do you have an idea?" the empress asked casually.
"Does Your Majesty have a guess as well?" Ren Baqian finished the fruit in a few bites.
"I think it might be a road map," Ren Baqian said bluntly.
"This is the map of the Sixty Thousand Mountains. The first place we saw when we went down was the Forest Pillar Screen. When we got close to the door, we would be in the depths of the Sixty Thousand Mountains, "the empress said.
"Your Majesty can actually recognize the other party's drawing skills!" Ren Baqian was very impressed.
Being able to recognize a map of this level was already a kind of ability.
However, the empress's words confirmed his thoughts.
"How can there be a road map of the Sixty Thousand Mountains here?" Tong Zhenye was slightly stunned.
"Have you forgotten what I said? It's just a guess, and we can only know the specifics by observing it. " The empress said to Hong Luan, "Go to Qingxin Palace Hall. There is a map of the vicinity of the Forest Pillar Screen left behind by the Hao Nation there. Go and get it."
She then snorted and said, "This map was drawn when the Hao Nation attacked the mountain stronghold."
After Hong Luan left, Tong Zhenye's face was gloomy. He recalled the things that His Majesty had said.
The human race had been driven here from a distant place, and there were less than 100,000 of them. A portion of them were left behind to defend the Sixty Thousand Mountains, while the rest came to the plains to establish a nation.
There were many other races in the Sixty Thousand Mountains. On the other side of the Sixty Thousand Mountains, there were the so-called tens of thousands of races.
When the empress first said this, everyone in the imperial court was shocked.
However, this matter was too unimaginable, and there was no other news, so everyone gradually put this matter to the back of their minds.
The passage below wasn't simple. Just the white jade floor alone wasn't something that ordinary people could achieve. If the road map of the Sixty Thousand Mountains was really left on the wall, combined with what the empress had said, it was very likely that it was left behind from that period.
When the map was brought over, Ren Baqian glanced at it. It was much more presentable than the things on the wall below. At least he could tell that it was a map.
After looking at it for a long time, Ren Baqian couldn't figure anything out and could only give up.
After another hour, everyone felt that it was about time and went down to the passage again. They weren't in a hurry to go inside, but stopped at the beginning of the mural on the wall. After comparing it with the map, it was very easy to see the problem.
"This is the Forest Pillar Screen. It's about the same position as on the map. That's right, it's indeed there." Ren Baqian pointed to the holes on the wall. Each hole was a mountain peak.
"This is Mount Yufan, this is the Black Ridge, and this is Mount Pingliang …" Tong Zhenye compared them one by one.
"Your Majesty, this is the end of the map. The map only shows the range of the Forest Pillar Screen for half a month," Tong Zhenye said as he gestured.
However, on the wall, it was less than one meter.
The mural on the wall was more than 40 meters long …
If this was true, it would take at least two years to complete the route drawn on the wall.
"This is Qiulong Cliff! They passed through here in the past! "The empress calculated as she walked and then pointed to one of the points.
There was a strange symbol in that position. After hearing what the empress said and looking at the symbol carefully, one could barely guess that it was a symbol of a dragon's head.
The drawing of this symbol was too demonic!
Ren Baqian believed that it was a pile of feces with two wooden sticks stuck in it …
It would take at least one and a half months to travel from Ya City through the Forest Pillar Screen to Qiulong Cliff, and that was with the speed of a mount.
On the wall, there was only a distance of one and a half meters.
Looking at the wall behind them that was dozens of meters long, everyone took a deep breath.
Now, everyone finally had a little idea of how big the Sixty Thousand Mountains was.
According to the length of the map, it would take at least two years to get out of here.
There was a zigzagging line on the wall from the beginning to the end, which was the route that those people had taken.
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