"The whole world is in a great crisis!"

The voice of this sentence was not loud, and Su Qingxuan's expression was also a little indifferent.

But every student was secretly amazed when they heard it.

Today, in 2019, the martial arts system is thriving! The global aura is recovering! All kinds of martial arts are emerging in an endless stream, shining like stars! The cave has been deeply studied and has become a strategic place for global martial artists!

Everything looks so beautiful, prosperous and beautiful!

The whole world is evolving and getting stronger!

Why is it a crisis?

Su Qingxuan glanced at the audience, and a sneer appeared on the corner of her mouth.

She raised her hand and waved it behind her casually.

The large blackboard behind it suddenly flashed and lit up like a screen.

The lights in the classroom were dim for a moment.

On the blackboard screen, a scene is playing:

The first is a long shot.

The desolate Gobi Desert, as far as the eye can see, is wreaking waves of sandstorms and whirlpools of sandstorms. There was still a touch of green in the distance, as if it were the end of the meadow.

Immediately, the camera shakes.

In the center of the picture, a light green "curtain" appears.

Then, the light green color quickly spreads, forming a momentum like a big wave, surging forward. In the blink of an eye, most of the vast desert was covered and stained.

The covered area immediately glows and forms light green spots. Then it swirled like a huge light green vortex.

Ning Chong frowned slightly, he recognized that this was the appearance of the "Green Source Cave".

Sure enough, he guessed correctly.

At the edge of the meadow in the distance, a large number of bison, zebras, hyenas, and lions, in herds and almost thousands, desperately pounced into the light green whirlpool.

In just a few blinks, a large herd of beasts was engulfed.

Immediately, in the dusty distance, there were nearly a thousand more black-skinned people, as if they were local aborigines, who were also in groups, rushing towards this side in a vast and frenzied manner.

In the same scene, the indigenous people were also engulfed in an instant.

The Green Source Cave seemed to be greatly nourished, and the entire whirlpool green screen vibrate. Then the green fades to a deep blue, like a deep blue ocean.

Finally, in the dark blue ocean whirlpool, the shadows of alien creatures such as skeleton armies, spider trolls, werewolves, and bear monsters are faintly displayed, either faintly or in the background.

Then, before everyone's eyes, the dark blue vortex seemed to come alive, moving forward rapidly again. Everywhere you go, it's a deep blue, and the range is getting wider and wider.

The footage begins to blur and eventually fades into darkness.

The students in Class 7 were breathing heavily.

Everyone knows what this picture means!

However, Su Qingxuan did not mean to end, but continued to stand silently.

The chalkboard screen is shining again.

This time, the picture is aimed at a human city.

This city is clearly a populous country in the southern region of the earth, and its economy is backward.

First of all, in the central neighborhood of the city, a dark blue spot appears. Then the light spots gradually spread like water waves, and finally like the ebb and flow of the tide, rapidly expanding.

A large number of curious citizens came to watch.

Suddenly, the tide of dark blue light vibrated again, like a whirlpool.

The entire city was immediately dyed blue.

Thousands of citizens, as if crazy at this moment, rushed into the dark blue vortex in droves. Crowd after group, frenetic and restless, as if stimulated.

The dark blue vortex is like a giant mouth devouring people, devouring humans in a frenzy.

As tens of thousands of humans were inhaled, the Deep Blue Vortex grew wider and wider, and even continued to spread, surging to every corner of the city.

In less than a moment, the city was swallowed up, uninhabited, and all in a deep blue.

As the dark blue intensifies, the color darkens and eventually turns purple to shine.

The picture also turned purple, more and more purple, and a darkness slowly came.

At this moment, the classroom of Class 7 is also dark.

All the students were blown away by what they saw!

Thousands of human beings, before their eyes, were swallowed up.

Although there is no sound, no blood flows, but this silent vibration is even more terrifying, as if you are also in the picture.

Su Qingxuan silently looked around the audience, and then flicked her fingers.

The blackboard was restored to its original state, and the classroom was lit up again.

"Tell me, what did you see?" asked Su Qingxuan lightly.

A classmate raised his hand.

"It's a cave, and it's mutating itself, so to speak, it's evolving!"

Another student also raised his hand.

"The distance between the cave to tempt the earth's creatures has become larger, and the area where the cave appears has become more and more obvious, and even entering the city is not as remote as before. ”

After the two students finished speaking, Su Qingxuan nodded.

"You're right! That's the crisis in the world!"

Su Qingxuan picked up a whip and tapped lightly on the blackboard.

In an instant, the blackboard played like a slideshow.

But this time it's not a panorama film, it's a page of pictures.

"In the east of the earth, in China, in the Dongying, and in the Taima Islands, a large number of cities have mutated and evolved caves! They devour human beings, expand, and even fix areas. ”

On the pictures, familiar city pictures are immediately played.

"In the western countries of the earth, there are also a large number of caves, and the lowest is also the Blue Source Cave. Even the Purple Source Cave has changed from a small number to a common one!"

"The same is true of the countries of the southern region of the earth, and the countries of the northern lands!"

"Even in the far north, the Red Source Cave is starting to become common!"

"The Golden Nest Cave, the most advanced of the caves, has also begun to appear!"

With Su Qingxuan's instruction, page after page of pictures appeared, and they continued to turn. The picture shows a large number of ruined cities, thousands of frightened people, and various green, blue, and purple sources devouring the caverns.

After Su Qingxuan finished speaking, she looked at everyone coldly.

There was silence in the classroom.

At this time, the emotions of all the students have entered an extreme depression. There are even some girls who have covered their mouths, and their eyes are shocked and uneasy.

Death, extinction, perdition, devouring......

Syllable!

There was a crunch.

Break the oppression and silence of the entire classroom.

Su Qingxuan threw the whip on the podium and said lightly: "You are swiping your mobile phones, playing games, and watching idol videos. I thought that if I opened the gene tree, refined my qi and blood, and graduated successfully, I would be able to reach the pinnacle of life!"

"You think that level 1, level 2, level 3, or level 4 and level 5, these warriors represent the supreme power. Beyond mortals! Fearless! Superior to men!"

"You think that Wuhan University is a gold-plated field, you think that you are an honor student, you think that if you are admitted, you will have a great future!

Su Qingxuan snorted coldly.

"Now, then, let me tell you what reality is!"

"Now the world's 7 billion people, 240 countries, are about to face the great danger of total annihilation! The officials of various countries have held a secret joint meeting to gather a large number of warriors to resist the mutation and evolution of the cave!"

"All the information you see at this moment is tightly sealed!"

"Only a few people know that the world is about to be destroyed!"

"Just three days ago, in our city of Jiang City, hundreds of warriors gathered and set off for a Purple Source Cave. At the cost of the total annihilation, the expansion of the cave was stopped!"

"Ten days ago, in our capital city, the top Wuhan University, Huaqing Wuhan University, which ranks first in the country, there were three mutant caves on the campus. In the end, the news of the casualties was blocked, and we can only know that ASRock Wuda has exhausted a huge price to stop it!"

"There are so many examples!

"Every one of us, even your relatives, friends, and distant friends, is on the death list! At any time and place, the cave will appear! and devour everything!

After Su Qingxuan finished speaking, she propped up the podium with her hands and looked down at all the students.

"Now, tell me, what are you going to do?"

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