Lan Siyu studied on the console for a while before entering the earth's region code on the display.

On the three-dimensional map of the virtual ancient earth that appeared in the sky, yellow accounted for about five tenths, blue accounted for about three tenths, and green accounted for about two tenths.

Yellow is desert, blue is water, green is forest, and some other colors represent other landforms.

Lan Siyu clicked on the lake closest to the oasis on the ultra-clear virtual map, and the aircraft started to operate.

"Is it alright?" Lan Siyu turned to look at Panpan.

"Okay." It's not too stupid...

"Then I'm going to sleep? Please wake me up when we arrive, thank you." Lan Siyu entered the bedroom with Panpan in his arms.

Lankers: "..."

On the hand-swinging lord Lan Siyu's hand-swinging skills!

Opened the terminal and sent a video——

"Yunyun, what are you doing? I'm so tired!"

Lan Siyu threw Panpan onto the big soft bed, closed the door, and locked it.

The big cat, who hadn't reacted yet, rolled around on the bed, stunned, "What's wrong?"

"How is the soundproofing of this room?"

"OK."

Lan Siyu raised her eyebrows when she heard the words, and threw herself on the bed, face to face with the big cat.

"Hope."

"What's wrong?"

"Tell me, who are you?" Lan Siyu looked serious.

"Huh? I am the mysterious emissary from the East—Nicholas Panpan."

"to be honest."

"It's really true."

According to the interstellar map of the Federation, the first galaxy is indeed to the east of the tenth galaxy.

"Tch." Lan Siyu curled her lips, turned over and lay on the bed, picked up the big kitten beside her and hugged it in her arms, "If you lie to me, you will die!"

"How to die?"

"At least I'll kiss you bald and make your ass red! Let you be humiliated to death!" Lan Siyu felt that he was very vicious!

While talking, Lan Siyu closed her eyes.

It was too late yesterday to catch up with dramas, and today I got up too early, and I was prone to sudden death due to lack of sleep. Especially the kind of people who go to bed at one or two at night and get up at seven or eight in the morning, Lan Siyu doesn't know how those people survive the daytime study and work.

The speed of the aircraft was extremely fast, and it took only one hour to arrive at this lake, which is considered to be the top three lakes in terms of area on the ancient earth.

A group of people got off the aircraft and slowly approached the lake, only to find that the dark blue lake shown on the map turned out to be light blue when viewed from a closer distance.

Lan Siyu scooped up a glass of water with an instrument, and the water in the glass also appeared light blue, which showed that it was not the reason why the water absorbed the light of the corresponding wavelength and scattered or reflected the light blue color. It's about the water.

Lan Siyu inserted the instrument for testing water quality into it.

"drop--"

On the display screen are various element data.

Lan Siyu only understands a little bit, and there are some elements and factors that she doesn't know or understand. These should be the evolution of the ancient earth in the past 100,000 years.

"The Qi element exceeds the standard." Lanx said from the side.

"you know?"

"I majored in environmental engineering..." Because the environment of the ancient earth was extremely poor, Lankers specially chose environmental engineering when he went to study abroad on other planets.

"The 'Qi' element is extremely harmful to water quality. According to the federal standards for lake water, the Qi element in every milliliter of lake water can only account for one ten thousandth. But the proportion of Qi element in this water is close to one thousandth. One. The content is nearly ten times higher, which is too scary! Ordinary plants generally cannot survive in this kind of water with a high concentration of Qi elements. There must be no aquatic animals in it."

"Um."

The first stop of the investigation was to open the door, and Lan Siyu was inevitably depressed.

"It's not easy for ordinary plants to grow in water with a high concentration of qi, but there are usually some rare ores condensed at the bottom of this kind of lake. It's not bad news."

The ancient earth lacked everything except yellow sand.

Both water resources and mineral resources are scarce, and neither is important or not. If you lose one and gain another, in this way, there is actually nothing missing.

A few people walked around the lake, and went to other places to measure the water quality. It was still a high concentration of Qi elements, and the content of Qi elements in some places was even higher.

"Let's go, let's take a look at the next place."

The next place was a forest, far away from the lake, and the aircraft flew all afternoon to arrive.

When the time came, the sky was already dark and the forest was dangerous, so Lan Siyu didn't plan to go down immediately. Let's stay on the aircraft for one night first.

Early the next morning, several people came to the edge of the forest.

Lan Siyu looked at the forest with extremely dense trees on the edge in front of him, "There are so many trees here, so there are so many trees on the periphery?!"

The area of ​​the forest on the ancient earth is almost the same as this forest, but the periphery is extremely sparse, and it is a normal forest with the density of trees gradually increasing from the outside to the inside.

"I don't know, let's go and have a look first."

"Panpan, come here."

There are a lot of gravel in the outskirts of the forest. She and Lankers wear special thick-soled hiking shoes, which are not afraid of pinching their feet, but Panpan's cat is different.

Thinking of that pink and tender little meat pad, Lan Siyu couldn't bear to get dust on the little meat pad, let alone being stoned.

She will feel bad!

Lan Siyu hugged Panpan and followed Lankes into the forest with a lot of vegetation.

After walking for more than 20 minutes, the gravel under my feet reduced until it disappeared, turning into a leaf field full of withered leaves.

Lan Siyu, a man who weighs over a hundred pounds, can sink more than 20 centimeters under a leaf, let alone the burly Lankers.

"There are too many leaves, it's like stepping on cotton."

"What is cotton?" Lankers in front wondered.

"A kind of crop that has disappeared tells you to read more books, but you don't read. Why don't you have any common sense?" Lan Siyu felt that this scene seemed familiar, but the protagonist was changed.

Lankers was speechless, is this fucking common sense? ? ? Has it been written in the book? ? ?

"Be careful, watch the road, don't fall." Shen Panchi in Lan Siyu's arms reminded.

There are too many leaves here, the light is too dark, who knows what is hidden under the leaves.

Be careful.

Lan Siyu looked around, there was nothing but towering old trees, some shrubs and leaves covered with countless layers. Never even seen a strange beast.

"Will there be no strange beasts in this forest?" Lankers asked.

"I don't know. Even if there are, they should be small animals." The vegetation here is too dense, and it is inconvenient for large animals to move around.

After walking for an unknown amount of time, the light in the forest gradually became wider, the density of trees decreased, and the open space began to expand.

"It's so strange, isn't it logical that the deeper you go, the denser the trees? Why are there fewer trees here?"

As Lan Siyu spoke, he heard a cry and the sound of running.

In real life, most of the blue lake water we see is the blue color that appears when plants in the water absorb light of corresponding wavelengths, and the lake water reflects and scatters light of certain wavelengths (mostly blue light) back. The text is different.

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