Wang Bing roared, raising his axe to chop at Zhang Jun's wife.

But his movement frightened his own wife.

She tried to stop Wang Bing, pushing his arm with her hand.

Wang Bing's axe did deviate a bit, sliding past Zhang Jun's wife, but unfortunately, it landed straight on Zhang Jun's neck beside her!

*Poof!*

A muffled sound of a blade entering flesh rang out.

Zhang Jun stopped.

Wang Bing froze for a moment.

Zhang Jun's wife turned her head, staring blankly at Zhang Jun.

Everyone was dumbfounded.

A stream of blood spurted from Zhang Jun's neck, arcing two or three meters before landing.

"Ah!" A high-pitched scream, almost breaking, echoed in Wang Bing's courtyard…

…

Li Tianran ate his yogurt and strawberry salad, watching like a supervisor as the agricultural robots skillfully harvested wheat and corn, packing them into piles.

"Ding! You have recovered radiation-resistant wheat…"

Pleasant notification sounds rang in his ears.

He checked his current mall points.

Exactly one million!

"There are 16 days, 17 hours, and 54 minutes until the arrival of the second Cataclysmic Era!"

Li Tianran glanced at the scarlet notification. If the second Cataclysmic Era was going to take away the water source, then he needed to start preparing now.

If it was just a matter of solving the drinking water problem, then there was nothing to worry about.

A giant water cellar would be enough to last a long time.

But Li Tianran was facing more than just the drinking water problem.

Irrigation for the farmland, water changes for the fish pond, all required a large amount of water.

Perhaps a single water change for the fish pond or a complete irrigation of the farmland would consume enough water for Li Tianran and his sister to drink for more than a decade…

"An artificial lake… no, that's just a huge water cellar; sitting and eating your mountain away won't solve the long-term problem." Li Tianran muttered to himself, "If it's a well, it'll probably dry up after the second Cataclysmic Era arrives."

"…"

Li Tianran racked his brains, unable to think of how to solve the water source problem.

Suddenly, he slapped his head excitedly. "That's it! I've got an idea!"

"Artificial rain!"

Yes!

Artificial rain!

Li Tianran had been thinking about how to get water from underground, but he had never thought that there could be water in the sky!

In fact, rainfall and snowfall are very important sources of water in the world!

Thinking of this, Li Tianran got to work.

At this point, the fish pond had been excavated, and all that remained was to install the heating pipes before releasing the fish fry.

Li Tianran could now consider other things.

"Artificial precipitation, also known as artificial rainmaking, refers to the process of artificially supplementing the necessary conditions for the formation of precipitation according to the principle of natural precipitation formation, promoting the rapid condensation of cloud droplets or collision and enlargement into raindrops, and falling to the ground…" Li Tianran muttered to himself, remembering the principle of artificial rainmaking very clearly.

Rainfall is mainly related to clouds.

And rain clouds are divided into warm clouds and cold clouds. Different materials are used for artificial rain enhancement for these two different types of rain clouds.

To make warm clouds (clouds with a temperature above 0°C) precipitate or increase rain, hygroscopic particles such as salt powder and urea must be spread in the clouds to promote the formation of large cloud droplets, leading to the formation or increase of precipitation.

If cold clouds (clouds with a temperature below 0°C) are to precipitate, dry ice, silver iodide, and other catalysts must be sown by aircraft to generate a large number of ice crystals, which increases the ice crystal density in the upper part of the cold cloud, promoting or increasing precipitation.

Li Tianran looked up at the sky.

Since the sun was destroyed, the sky had been covered by a thick layer of clouds, and although the weather was very cold, it had been very humid.

This indicated that there were many water molecules in the air.

This was a good sign!

Although Li Tianran could not temporarily calculate the water vapor concentration in the cloud above the farm, he felt that the cloud must be full of frozen ice crystals, which would soon turn into raindrops if catalyzed.

According to the current temperature, it was easy to deduce that the clouds in the sky were below zero degrees, belonging to cold clouds.

And to make cold clouds rain, you need to get some dry ice.

Dry ice is solid carbon dioxide, which has been widely used in many fields, such as fire extinguishers, so it is not a scarce material.

Soon, Li Tianran got dozens of kilograms of dry ice.

These dry ice were in solid blocks, and Li Tianran needed to crush them into powder, then put them in an exploding device, and then send them to the clouds by plane.

Because the general artificial rain is to use a special shell to hit it into the clouds, but whether it is shells or gun carriages, are strictly controlled large military weapons, even if the black market arms dealers are rampant now, no one dares to sell this thing.

Li Tianran had to settle for the next best thing and chose to use aircraft to spread the method.

By the way, speaking of which, Li Tianran also needs a large drone that can fly at least several hundred meters into the air…

"In this world, nothing is easy to do… Building a paradise by hand seems simple, but it requires a lot of work." Li Tianran looked at the dry ice piled up at his feet and muttered to himself.

He squatted down, ready to turn the dry ice into powder first.

But at this moment, his cell phone suddenly rang wildly.

He took out his phone and looked at it. It was a strange number. After hesitating for a moment, he didn't answer it.

Since the mutation, Li Tianran often received sales calls from dealers selling contraband. Over time, he was annoyed. For some numbers that were not marked, he chose not to answer!

But what Li Tianran didn't expect was that the call he didn't answer was not from the merchants he imagined.

But… another person!

…

At this time.

In Wang Bing's house.

Wang Bing's wife held her child, standing helplessly in the yard, looking at the blood on the ground, and then looking at the police car in the distance, she suddenly felt a sense of collapse.

How could it be such a coincidence?

Wang Bing chopped Zhang Jun's carotid artery with an axe?

How could it be such a coincidence?

It just so happened that a patrolling police car passed by and heard the screams. The military police rushed in and saw the scene in the yard, and directly handcuffed Wang Bing and put him in the police car!

How could it be such a coincidence?

The phone number of the person who led her husband and the self-defense队员s to defeat the bandits could not be reached at this time!

"Mom! Mom! I'm scared…" The son pouted. He was only three years old and didn't know what was going on. He just hugged Wang Bing's wife's neck and cried, "Where did Dad go? Why doesn't he want us anymore?"

"I'll be obedient and never eat snacks again! Can you let Dad come back? I'm so scared!"

The son cried, and Wang Bing's wife also slumped weakly on the steps.

She felt that the world was gray and desperate… slowly enveloped her.