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Lost civilizations

"The Divine Thunder should be in the pit ahead. Xiang Nan pointed with his finger.

He found that even Tu Yun's movements had become sluggish under this low temperature.

Tu Yun's (身shēn) black hair was wrapped in a layer of dark blue frost, and when he shook it, a large area of blue frost fell off in a row.

Xiang Nan couldn't wait to run to the edge of the sinkhole, looked inside, and was shocked to find that this sinkhole was boundless, but in the vast dense fog, he actually found some shadowy palace (hall diàn) outlines with thunder and lightning eyes.

"Someone has ever built a palace (殿diàn) in such a ghost place?" Xiang Nanmo rubbed his chin, and was very surprised in his heart.

Equally strange is that this sinkhole looks like a deep blue lake.

The entire sinkhole was filled with a dark blue liquid.

Xiang Nan scooped up the liquid, but found that it was not water, and no water could still present a liquid state at this temperature.

Xiang Nan put the dark blue liquid in his hand in front of his nose and sniffed it, he frowned, and added (hot) the liquid with Yuan Qi, and found that once the liquid heated up, it would disappear.

"Is it air?" Xiang Nan suddenly realized.

"What?" Tu Yun also leaned over curiously, he couldn't understand the reason.

Xiang Nan pointed to the sinkhole and said, "There is something in it that can release a very terrifying low temperature. ”

"When that level of low temperature occurs, even the air cannot escape, and it will be liquefied by the low temperature, resulting in a large vacuum area. ”

"When the vacuum zone is formed, more air will be pumped in by the vacuum, and the newly filled air will not escape, it will also be liquefied, and then the vacuum zone will be formed, and then the air will be pumped from the outside. ”

"Repeatedly, a huge amount of air was sucked into the sinkhole, forming the current strange landscape. ”

That Tu Yun still didn't understand, and his eyes were full of confusion.

Xiang Nan said: "In other words, we can breathe in these dark blue liquids, let's go, and follow me with confidence." ”

The two entered the sky of the "Blue Lagoon", and sure enough, as Xiang Nan said, in this liquid, they could breathe directly.

It's just that at the beginning, I was a little uncomfortable, and breathing in this kind of place was like breathing in water, and it was like drowning, but once I got used to it, it was nothing.

The temperature is still decreasing, and the temperature gets lower as Xiang Nan gets closer to the core area of the sinkhole.

When he was only more than ten miles away from the shadowy palace (hall diàn), he couldn't even bear Tu Yun, and the low temperature made Tu Yun completely frozen and turned into an ice sculpture.

Xiang Nan could only use his vitality to thaw Tu Yun, but considering that if Tu Yun was left here, the result of Tu Yun might not be too good.

"Come close to me, and I'll protect you with my vitality. Xiang Nan diffused his vitality out of his body, wrapping himself and Tu Yun.

When the two of them were still eight miles away from that palace (hall diàn), the temperature continued to drop, and Xiang Nan felt that his vitality was not running smoothly.

"Draw light!" Xiang Nan raised his right hand high, and in the vast sea of fog and blue liquid, a gentle beam of light (日rì) shone down, enveloping the two of them in it.

Tu Yun's eyes widened in surprise, and he couldn't believe the "miracle" he had seen.

"This is my sun god skill, the light can bring us a relatively considerable temperature, let's keep walking. Xiang Nan explained as he walked.

When the two of them were still five miles away from the palace (hall diàn), there was no way to get close.

The temperature here was lower, and the blue air liquid crystallized into a giant block of ice frozen from the air.

The entire palace (hall diàn) was sealed in by the ice.

"It's time to break the ice. ”

Xiang Nan used his vitality to condense a ten-meter-diameter thunderbolt fireball, letting the fireball walk in front of him, and he and Tu Yun followed behind.

As soon as the fireball touched the huge dark blue crystal, it vaporized the crystal into a passage, and Xiang Nan and the others had just entered, and the passage behind (body shēn) was immediately frozen again.

The further you go, the more difficult it is for the ice crystals to dissolve, and when Xiang Nan is still about a mile away from the palace (hall diàn), the ice crystals here are already as hard as a beginner's ground soldier!

It took less than ten minutes for Xiang Nan to break through the ice crystals of the previous four-mile road, but it took him more than half an hour for the last mile of ice crystals!

When they finally came to the gate of the palace (hall diàn), Xiang Nan breathed a long sigh of relief, the vitality content in his body was far more than that of ordinary martial artists, but now, his vitality was not much left.

"What a peculiar place. Xiang Nan stared at the entrance of the palace gate in amazement.

There are two cryolite doors closed in this palace (hall diàn), and on those two ice doors, there are a large number of relief drawings and texts.

And Xiang Nan didn't know these words.

As early as hundreds of thousands of years ago, when human beings possessed teleportation arrays and flying ships, the five major world regions of the southeast, northwest, and central regions became frequent.

Since then, civilizations have collided and made the world unified.

Although human beings do not have a specific pattern of unified currency, they have uniformly stipulated that gold, silver and copper are used as raw materials for minting currency.

In order to enable trade between the various regions of the world, it took only a few hundred years to unify the language and script.

"This must have been left by some extinct people. Xiang Nan nodded thoughtfully.

The fact that I don't know the words only means that they come from a rare people, and that people have not passed them down.

The words are illegible, but the pictures are universal.

Xiang Nan saw on the relief picture that a large number of human beings were forming a circle and worshipping towards a thunderball.

Because the relief was not colored, Xiang Nan could only identify that thing was a thunderball, but there was no way to verify what shape and color it was.

He felt thrilled in his heart, he knew that there was an unknown mysterious civilization that was about to unfold in front of him.

"Are you ready, we're going in. Xiang Nan seemed to be discussing with Tu Yun, but in fact, he couldn't wait to push the two ice crystal gates open.

With the sound of the rumbling giant door opening, a warm wind suddenly blew from inside the palace (hall diàn).

"Huh?" Xiang Nan was slightly happy in his heart, he immediately rushed in with Tu Yun and quickly closed the door.

The temperature inside the palace (hall diàn) is relatively normal, although it is still terribly cold, but compared with the outside, it has made Xiang Nan feel much more comfortable, at least here, he will not be frozen into an ice sculpture without vitality.

The interior of the whole palace (hall diàn) is very gorgeously decorated, with large pieces of animal skins, which are covered on the ground like a carpet, and these furs are still very bright and are very well preserved at low temperature.

The pillars of the palace (hall diàn) made of gold stand in all corners, and each pillar has a large number of relief murals, and the scenes described on them are very similar, basically related to a wonderful thunderball.

"Really in the right place. Xiang Nan clenched his fists: "It took so much time, and I really found it." ”