"Hmm..." Coco lay on the edge of the basin of ice that was releasing cold air and cried out comfortably.

Xu Xin rested for a minute, then got up and went to the bathroom.

He wants to pump the water with an automatic pump.

In another half hour the pool below him would be completely dry, too, as the lake level would drop below the trough.

He needs to take this opportunity to collect as much water as possible.

He made some wooden tubs and barrels to store water and immediately began to store water.

I don’t know how long this hot summer will last, so it’s better to save more.

Half an hour later, the pump could no longer pump out any water from the pool below.

He looked out the window and saw that the pool he had dug and the trough that extended all the way to the lake below had completely dried up, revealing the slightly moist ground.

Then, as he watched, under the scorching sunlight, the moist ground began to lose water at a rate visible to the naked eye, gradually turning from dark loess to white, and then began to crack!

The originally moist bottom of the pool cracked into a broken pit within half a minute.

He looked towards the lake beside the tree house again.

The area of ​​the lake has been greatly reduced.

The original shallow water area has now been completely exposed.

The bottom of the lake, like the bottom of the pool on his side, had cracks appearing under the scorching sun!

The aquatic plants such as water grass that originally grew at the bottom of the lake are rapidly withering.

After surviving the cold winter, these plants succumbed to the scorching heat.

...outrageous.

This sunlight is really too harsh!

He opened the window.

A wave of heat came over him, causing him to frown and squint his eyes.

Fine beads of sweat immediately appeared on his forehead.

"This temperature..."

He closed it again immediately.

...The moment he opened the window, it was as if he was opening a furnace that was currently smelting!

It must be over forty degrees!

I'm afraid it's already around 45 degrees!

He immediately contacted Li Wenxi.

"What's going on?" Li Wenxi's voice was normal, and the sound of digging and mining continued to be heard.

"You are still in the mine. Isn't it hot?" Xu Xin asked.

"It's not hot. This mine seems like a great place to cool down." Li Wenxi explained, "We didn't even use the saltpeter we mined to cool down. The temperature inside the cave has always remained over 20 degrees."

It seems that the saltpeter mine can be said to be a natural summer resort.

"Hehe, they don't want to go back. After all, it's much hotter in the tree house than here." Li Wenxi laughed.

"It's a good idea to escape the summer heat there." Xu Xin agreed, then asked, "How much have you dug?"

"Hmm... I didn't count, Yajun! How much have we dug?" Li Wenxi directly asked Li Yajun, who was in charge of processing the mined saltpeter ore nearby.

"The saltpeter mining rate here isn't very high. Most of what's mined is ordinary stone, with only a small portion being saltpeter. Over such a long period of time, we've only mined about a thousand pieces of green-grade saltpeter and... seven pieces of blue-grade saltpeter."

Li Yajun's voice reached Xu Xin's ears, which surprised him a little.

This speed is not slow, thousands of yuan per hour.

Of course, this is based on the fact that there are more than a dozen people mining together on their side, and they have been mining for nearly an hour.

Judging from the efficiency of a single person, it is indeed quite ordinary.

"Sigh... How inefficient!" Li Wenxi lowered the hand holding the watch and looked at her in surprise. "My previous excavation speed wasn't this slow, was it?"

"The location you mined before happened to be the most resource-rich location..." Li Yajun's voice was a little helpless. "It just happened to be the best mining spot. It's full of saltpeter mines."

She pointed to the deepest part of the mine and said, "But you've almost mined out all the saltpeter mine. The rest of the mine is just scattered saltpeter, and most of it is just ordinary stone."

"Is that so..." Li Wenxi nodded thoughtfully.

Hearing these words through his watch, Xu Xin frowned slightly.

Li Wenxi's ability is to detect metal ores, but saltpeter ore is not a metal ore, so she probably doesn't know how much saltpeter reserves are left in this mine.

"Is the reserve in your saltpeter mine running low?" Xu Xin asked.

If this is true, then they may have to consider whether they should still help others.

After all, saltpeter is a very precious resource. As the raw material for explosives, it is also a consumable. Explosives are also their strongest means to fight against invading enemies.

This mine contained all their reserves until they found the next saltpeter mine.

"I don't know." Li Wenxi's voice was also filled with a hint of worry. "Let's continue mining. We still need saltpeter ore. I'll take a look at the situation first."

"Okay. Now, don't sell the saltpeter mines."

"Um!"

After hanging up the call, Xu Xin sighed.

If they can get through today, those people shouldn't be in any trouble, right?

He himself has no problem.

His tree house was quite cool.

Even... a little cold.

The tree house walls have too strong an ability to isolate temperature, and the temperature inside and outside the house cannot be transmitted, while the blue saltpeter is constantly emitting coldness outwards.

My dear, there is more to this chapter. Please click on the next page to continue reading. It will be even more exciting later!