One Thousand Five Hundred and Eighty-One Clues (2)

Ye Han suddenly stopped and called out in a particularly deep tone: "Luo Qi!"

Luo Qi couldn't help but think smart and instinctively replied with one word: "Arrived!"

"You guys are so right!" Ye Han praised Luo Qi fiercely, "Bridge, bridge, I am Dong Yao, please reply when I receive it!"

The communication immediately came with a somewhat disturbing reply: "Dong Yao Dong Yao, the bridge received it, please speak!"

"Bridge, I need the details of the desert, the thickness of the sand layer and what's going on under the sand. The sooner the better!"

"The bridge understands, wait a moment!" Lin Yi immediately took action, quickly searched for information, and quickly got the information Ye Han needed. "Chief, the average thickness of the sand layer is three and a half meters, but the situation in different areas is different. The thickest The place may be tens of meters; there may be rocks, soil layers, various mineral deposits, etc. under the sand.”

"That means you can drill holes, right?"

Lin Yi happened to see the desert groundwater system map in the information and couldn't help but said: "Yes, it's absolutely possible. If you're lucky, you might be able to find a dry underground river, and you won't even have to dig a hole."

Ye Han suddenly stopped: "Is there an underground river here?"

Lin Yi quickly looked at the map: "No, the nearest underground river is seven kilometers away, but the information on underground rivers is very incomplete. It's hard to say whether there are underground rivers in the mission area."

"Understood, please check again for me to see if there is any detailed information about the mission area, such as what is under the sand." Ye Han said.

Lin Yi was confused for a moment: "Chief, there is no information on this!"

Ye Han was furious: "You haven't asked me yet?"

"Indeed not, I just looked for it!"

"Then have you asked the superior?"

"ah?"

"Ah what? You should contact the petroleum and minerals department immediately. They may have the information we need!"

"Okay, I'll contact you right away!" Lin Yi quickly agreed, but he still couldn't turn this corner.

Ye Han was not talking nonsense. The desert was indeed a restricted area for life, but humans often did things that challenged the restricted area for life. Moreover, the desert was an oil-producing area and a mining area. Before the war, the petroleum and mining departments often conducted surveys in the desert.

After the insect plague began, because the desert was a restricted area where insects could hardly survive, the mining department also opened a mine in the desert for a period of time.

Although giant desert insects appeared later, the Sea of ​​Death was originally a particularly desolate area.

If you have ever surveyed the mission area, you will definitely be able to find underground information about the mission area!

As expected, Ye Han received the survey data from Lin Yi not long after. Judging from the data records, there were three survey points in the mission area. The depth of the sand layer during the survey was about five meters, and two of them were The sandy bottom at the survey point is a salt layer four to seven meters thick, and the sand at the last survey point is an ordinary rock.

It can be judged that the mission area was a small salt lake at a certain period.

This is all the information Ye Han got. After he shared the information with others, Xiao Yuan was the first to speak: "The three survey points are not in the northwest, but judging from the positions of these survey points, the northwest should be in Within the confines of the Salt Lake!”

Ouyang Ping said: "I have been to the Salt Lake. The salt cover there is very hard and it is difficult for giant insects to dig through the salt layer."

Xiao Yuan asked: "How is the penetration of the positioning signal? Can it penetrate five meters of sand?"

Luo Qi and Ouyang Ping both said they didn't know, and then called the communications soldiers. As a result, the communications soldiers didn't know the penetration ability of the positioning signal.

Ye Han had to contact the bridge again, but Lin Yi told him that the five-meter-deep sand layer could not block the positioning signal. Even if the satellite could not receive it from high up, it would definitely be received on the ground!

After hearing these words, Ye Han was refreshed and immediately ordered the soldiers to carefully search for signals - what if the enemy was indeed hiding under the sand?

The advancing team advanced for several kilometers without finding any clues. At this time, Ye Han suddenly found that the wind had become weaker and the sand in the sky was slowly falling.

Soon a thick layer fell on the soldiers.

The sunlight, which had been blocked by the sand and dust, penetrated the sand and dust and shone brightly in white, dazzling people's eyes.

As the dust fell, the visibility became higher and higher. Ye Han found several low, dry old trees with gnarled branches under the sand dunes in the distance. Their thick trunks were either upright or tilted, as if they had been frozen in time. The vicissitudes of life and the sentimentality of time.

Although he couldn't see the details of the big tree clearly, Ye Han knew that it was definitely not an alien plant, but the legendary desert backbone, which is said to "not fall down for a thousand years when it is born, not fall down for a thousand years when it grows up, and not fall down for a thousand years after death" Year" of Populus euphratica.

His knowledge of Populus euphratica was very limited. He only knew that this plant was particularly drought-resistant. He also vaguely remembered that the place where this plant grows is usually close to underground water veins. It can be concluded that the groundwater level here should not be low at a certain period.

Due to its location, the lower body of Populus euphratica was blocked by the sand dunes. As the team gradually advanced, the lower body of Populus euphratica gradually appeared in front of everyone.

Ouyang Ping, who was the first to walk on the sand dune, suddenly screamed, pointed at the Populus euphratica under the dune and shouted: "Chief, look!"

Ye Han took a few steps towards the sand dune and looked down with wide eyes. He was shocked to find that there were several strange green plants growing under the dead poplar tree. They were low and thick. They looked less like trees and more like mushrooms. !

"Super plant?" Ye Han blurted out subconsciously. He and Xiao Yuan looked at each other, and they both thought of the scientific expedition team at the same time.

"Let's go down and take a look!" Ye Han ran down the hill. The powerful power of the armor gave him a strong jumping ability. He landed under the sand dune with a few leaps.

Although it was a light airdrop, the weight of the power armor was not low. The sand could submerge the ankles with every step. In this case, walking was far less convenient than jumping.

Ye Han stopped five meters away from the alien plant and carefully observed the situation around the plant.

Although various materials said that super plants were not dangerous, in a place like the desert, everything could not be judged by common sense. What if the super plants mutated due to the special environment? What if these were just a few ordinary desert plants, not super plants?

Xiao Yuan landed beside Ye Han and asked anxiously: "Chief?"

"Hush--" Ye Han signaled Xiao Yuan to be silent and observed for a while.

The crowns of the alien plants were covered with sand. It can be concluded that they were not newly grown. The sand also covered the details of the crowns. It was unclear whether the scientific expedition team had taken samples from them.

Turning his head, he saw a fallen poplar tree. Ye Han drew out his saber and walked over to it. He cut off a branch as thick as his wrist with one knife, and then he brought it close to the alien plant and poked it lightly.

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