Live Wilderness Challenge

At the edge of the crack, perhaps because the aftershock has just receded and it is not very stable yet, you can see gravel falling from the edge from time to time, hitting the rock wall and making a "ding ding bang bang" sound.

After the devastation of the earthquake, the entire crack has expanded to more than four meters wide, dozens of meters long, and bottomless.

He picked up a relatively large stone and threw it down from the middle of the crack. He tilted his head and listened carefully to the sound of the stone finally stopping. "It's about seventeen or eight meters away. The distance of the safety rope is enough. You can go down!"

Everyone listen:

"Damn it! It's amazing, Master Xu is the ear of the wind?"

"This can also be heard, super powers?"

"Are you a scumbag when it comes to superpowers? You don't understand such a simple formula as S=9.81(5－S/340)^2?"

"It is judged by free fall and echo velocity, but Master Xu is very experienced, so the calculation is very fast!"

……

Chen Xu glanced at the barrage, nodded in confirmation, then took out the headband light from his backpack, and pulled out the tomahawk from the tactical vest, which was a safety rope he made temporarily.

He found a crack in the stone next to the crack, and stuck the ax firmly in it, while the lock on the other end was stuck on the belt, "Before you go down the cliff, you must check the rope. This is the thing that controls your life. If it is found that there are broken ropes and stones mixed in, this is not advisable, and it is easy to break under the action of heavy weight!"

"A parachute is just a parachute after all, it can be used as a temporary substitute for a safety rope, but in terms of durability, it can never compare to a professional safety rope!"

Done.

He checked his paracords, took a deep breath, and began to retreat to the edge of the chasm, heartbroken, and hopped down.

brush--!

tread!

The sound of the rope rubbing against his arm, and the sound of Chen Xu's feet stepping on the wall came out almost at the same time.

The interior of the crack was pitch black.

It can only be illuminated by the light on his headband.

"Be careful, Lord Xu!"

"Be careful!"

"At this time, if there are any wild beasts coming out of the ground, it may scare many people to death!"

"Don't be crowed, okay?"

Chen Xu slowly let go of the rope with both hands, and he didn't bother to watch the barrage, because he had to concentrate on finding a place to put his feet on.

It is estimated that during the earthquake, groundwater flowed to the bottom along the cracks, making the rock wall very slippery.

If you are not careful, you may slip and fall.

17 meters in height.

Say high is not high, say short is not short.

Fortunately, he had enough food and his physical strength was well replenished.

5 minute later.

He glanced at his feet with the headband light, and there was a reflection like water: "Phew... it seems that we have reached the end!"

The audience originally thought that the crack was going from top to bottom, becoming narrower and narrower, but when Master Xu reached the bottom, everyone realized that the space below was much wider than they imagined!

The first thousand and five chapters as a warning

Chen Xu has already felt the bottom.

He tentatively put his foot on the ground, and it felt solid enough to bear his own weight, before he slowly put the other foot down.

Wow--!

click!

At this time, a stone suddenly fell from above, bounced repeatedly on the rock wall several times, and finally fell on his shoulder.

"It should be a stone on the edge of the crack..."

Chen Xu looked up and slapped the stone away.

"It feels so dangerous! It would be bad if a big rock fell!"

"That's really a belt on the head!"

"No, I dare not look at this crack, I have claustrophobia!"

……

In the entire crack, except for the little moonlight falling from the gap at the top, leaving a light yellow thin line on the ground, the rest of the surrounding area is pitch black.

The drone was changed to manual control by the program team members, and they followed him carefully.

"The space inside seems to be very large. It should have been formed for a long time. The ground is full of reflections from water stains, which shows that there is indeed groundwater here. We have to find a place with a lower terrain!"

With that said, Chen Xu turned on the bright flashlight from his bag.

After all, the headband light is just an auxiliary tool for night running, and it only needs to illuminate the little place in front of you.

But the glare flashlight is different. A professional-grade flashlight can reach a maximum distance of 200 meters or even 300 meters!

brush--!

As soon as the light came on, the inner wall of the entire cave became much clearer in an instant. Thanks to the humid air in the cracks, water droplets hung on the rock wall, and under the action of strong light, the reflection was very strong.

There is light.

Chen Xu dared to go inside.

tread... tread...

The whole crack was eerily quiet, except for the sound of dripping water, only the sound of his footsteps reverberating in the air.

the strange thing is.

The further you go, the more space there is in the crack.

From time to time, some stones will fall from the rock wall, which sounds scary.

Especially in the deepest part, a large number of yellow-brown falling rocks piled up together, and no one doubted that if there was a slight vibration, they would definitely be buried alive by this crack!

Chen Xu frowned, and shone the flashlight back and forth on the rock wall. When he saw a large amount of translucent, yellowish-brown gravel, his complexion changed drastically. "These yellowish-brown...are plaster caves?"

Plaster caves?

The water friends in the live broadcast room have never heard of this kind of cave!

"Gypsum caves are karst caves formed by the weathering of water gypsum. They are mainly composed of calcium sulfate and mineral gypsum, which are easier to dissolve than limestone. Under the erosion of groundwater, it will form a very scary underground space!"

"So once gypsum caves are discovered, they are often very huge caves, at least a few kilometers long, and the world's largest gypsum cave, in Ukraine, even has a maze of gypsum cave passages tens of kilometers long!"

"Because the large natural caves can provide them with enough space to survive, they are often used as residences by primitive people. This is likely to be the place where Native American Indians once lived. For modern times, it is of great archaeological value."

"It's no wonder that the crack was torn open so big, and the space below is even more frighteningly large, and there are so many gravels. Look at those translucent boulders, all of which were shattered by aftershocks. This kind of plaster The cave is very fragile and will break if there is a slight vibration."

"We have to hurry up and find water, it's too dangerous here, the sooner we leave, the better!"

Originally, the audience heard that the gypsum cave has a huge space, and wanted Master Xu to explore it, maybe they could dig something valuable.

But when he heard that the stone was as brittle as plaster, he immediately became nervous.

"There seems to be a voice..."

While walking, Chen Xu suddenly heard something strange.

clap la la...

"It's water flow!"

He hurriedly shined the flashlight, and saw a small stream of intermittent water flowing out of the gaps in front of a large amount of rubble, fell to the ground, and then continued to flow deep.

I picked up a little bit with my hands and smelled it. There was no peculiar smell. It was pure ground water and could be drunk.

In fact, it is impossible to have other pollutants in the gypsum cave.

He looked up at the top of the pile of rubble. There were many siliceous rocks on the rock wall, and the sharp cross-sections left by the aftershocks were like knives.

"Let's get water quickly!"

Chen Xu took out the kettle and pointed the mouth of the bottle at the water flow left by the crack.

Tick-tock drops of water fell into the tin kettle, making a crisp sound, but the audience felt that it was too slow, and the rock on the top might fall down at any time.

One second, two seconds.

One point, two points.

The weight of the water bottle in hand is getting heavier and heavier.

At this time, there was only a "click" sound coming from behind him. I don't know which piece of stone it was, and it fell from the rock wall again.

"It's over, let's go!"

After speaking, Chen Xu turned around and prepared to leave.

And at this moment, the siliceous rock on the top began to make tiny cracks!

not good!

When he twisted his ankle, his gastrocnemius muscles contracted rapidly, and he kicked the ground and ran. The memories of the cracked ground began to emerge one by one in his mind.

next second.

Hearing a "bang", a large piece of the siliceous rock behind him suddenly fell and hit the waste rock pile just now!

Aftershocks coming?

How many minutes is this?

The audience scratched their heads and scratched their heads, afraid that Master Xu would be buried alive by the crack in the next second!

Chen Xu ran all the way. It took a few minutes to find the way before, but now he ran back in ten seconds.

Grabbing the safety rope, he immediately buckled the buckle on his belt, pulled the rope with both hands, stepped on the rock wall with his feet, and then began to climb up desperately.

At the bottom, the falling of the siliceous rock continued with a loud, reverberating sound, like someone beating a gong in the canyon.

Almost to the top, Chen Xu held his breath, kicked hard, turned over and climbed up from the crack.

"Huh... heh..."

Before he had time to rest, he pulled out his tomahawk from the crack in the rock and fled southwest.

He was about a few hundred meters away from the crack before he stopped, panting constantly: "It shouldn't be an aftershock, but the rock at the bottom of the gypsum cave is extremely unstable. To be honest, if it wasn't for the water, I really shouldn't have taken such a risk."

"Everyone must take precautions. This time it is my fate. In areas with active geology, you must not enter the gypsum cave!"

Done.

He picked up the hard-earned water and took a sip. "We can't go to the northeast anymore. There are all gypsum caves there. The next aftershock may cause a collapse. Let's go southeast instead!"

And at this time.

On the western plain, a figure slowly moved towards Chen Xu under the moonlight!

How many farts did you fart in the first thousand and six chapters?

It was dark at night and people could not be seen clearly, and Chen Xu didn't use the binoculars either.

But in this situation, the only one who can come out to do activities at night is probably only George Titi!

"This kid is really a dog skin plaster!"

"Awesome! In order to have a meal, I chase Master Xu to death!"

"How are you doing, sir?"

……

In the live broadcast room, many viewers sent barrage taunts.

But Chen Xu glanced at the crack behind him, "This gypsum cave is too big. George Tetti hasn't found me yet. Once he blindly chases me, it's easy to walk into the range of the gypsum cave. In case of aftershocks come , he will definitely die, let's remind him!"

It's not his Holy Mother, in case it really kills people.

He was afraid that the program group would stop at any time, which would easily affect the completion of the task.

It's the last five days, so don't make any mistakes!

In the barrage, someone persuaded Chen Xu to leave the Holy Mother, thinking about how he was cheated by the program group before, there is no need to help such a person!