Both are second-level mutant deer, which is not difficult for Xu Yi and Ling Yue to deal with.

Even if one of them has the ability to control the wind and the other has the ability to control the stone.

Flying sand and stones, combined with the strong wind, still look very intimidating.

But Xu Yi has an air shield, which can not only protect himself, but also protect Ling Yue.

The two people kept attacking the mutant deer, causing more and more wounds on the mutant deer.

After a while, the door of the observatory also opened and several people walked out of it.

All of these people were injured, with various cloth strips tied to their bodies, and they looked very miserable.

"I am Lu Ning from the Qikill Army. I have healing powers. Let me help you with treatment?" After seeing the wounded, Lu Ning took the initiative to approach and asked loudly.

"Are Commander Xu Yi and Commander Ling Yue of the Qikilling Army also coming?" One of the wounded asked excitedly.

Lu Ning was stunned for a moment, then pointed to Xu Yi and Ling Yue who were chasing the mutant wild deer and said, "They are the two of them, how do you know?"

Lu Ning was very curious about how these survivors of the Observatory knew about the Seven Killing Army, and also knew that Xu Yi and Ling Yue were the commanders of the army.

"We have satellite phones and have received news from the military headquarters. My name is He Kai, they are their captain, an evolutionist, and their supernatural powers are the control of soil." He Kai looked at He Lingyue with admiration.

Others have a look of admiration.

They thought that they were all superpower warriors because they became superpower warriors after receiving the news from the military headquarters.

Originally, not only these seven survivors now have all died in the battle with the mutant beasts.

Only then did Lu Ning realize it and then began to treat He Kai.

Before He Kai's treatment was over, Xu Yi hunted the mutant wild deer he was targeting, and at the same time killed another one with Ling Yue.

The two mutant wild deer provided two brain beads, both of which were second-level, one for wind control and the other for stone control. Both were very good superpowers, and this value was relatively high.

He directly put away the corpse and brain beads, and Xu Yicai walked towards the survivors of the observatory.

"Are you all staff members of the Observatory?" Xu Yi asked.

There were two tourist buses parked there, and Xu Yi felt that the survivor might be tourists.

"My sister Cai and I are staff members of the observatory, and the others are tourists." He Kai raised his hand and answered Xu Yi's question.

"That's great. Do you know why the weather is so abnormal?" Xu Yi asked directly.

"I don't know the specific reason, all our satellites are missing. We observed the sun and it should have nothing to do with the sun. It may be a problem with the earth itself." He Kai probably guessed that Xu Yi was here for the sake of the weather.

Fortunately, they came in time enough, otherwise they wouldn't have been able to hold on for too long.

However, the injuries were serious and the mental power was almost exhausted. As long as you use two mutant wild deer to break their door, you can rush in and kill them.

Xu Yi frowned and then asked, "Have our distance from the sun changed?"

He Kai glanced at Xu Yi, then shook his head and said, "No, we have observed and found no signs of the earth's orbit."

"The other planets are also in their orbits, and there is no abnormality in this regard."

"The sun is also in its own orbit and is not far from us."

Xu Yi nodded and said nothing.

He originally thought that these observatory people might know the reason, but now it seems that there is no factor in regional temperature reduction in astrophysics.

"Xu Yi, is it the cause of the virus?" Ling Yue felt that it had nothing to do with the celestial bodies, and only one virus was left.

Apart from the virus, she really couldn't think of any reason that would cause the temperature of the earth to drop.

"It may also be that the earth is about to enter the ice age." The person named Sister Cai suddenly spoke.

"Ice Age?" Xu Yi frowned. He had naturally heard of what the Ice Age is.

If it really enters the ice age, it will be a huge disaster for humans, and it is no better than what we are experiencing now.

“Yes, the earth has experienced four major ice ages.”

"There are various arguments about the cause of the Great Ice Age, but many researchers believe that it may be related to the solar system's operational cycle in the Milky Way."

"Some people believe that the sun has the smallest luminance when it reaches the near-glacial center point, causing the planet to cool and forming a great ice age on the earth."

"Some people believe that matter distribution in the Milky Way is uneven. When the sun passes through areas with high interstellar material density, it reduces the sun's radiation energy and forms a great ice age on the earth."

"However, the main point of the scientific community is the volcanic eruption theory. Because supervolcanoes cause the volcanic ash to cover the sunlight, causing most of the earth's air temperature to begin to drop rapidly, completing large-scale ice and snow coverage."

"Scientists have said before that the earth might enter the Little Ice Age, just like it was in the late Ming Dynasty."

"It is because our observation point can observe limited things, and we have to collect global data to analyze them. Unfortunately, now..." After saying that, the man named Sister Cai shut his mouth.

Everyone has a lot of thought when listening to these professional knowledge, and can only say that they are really professional things.

"So, do you think this is not a short-term thing, but will last for a long time?" Ling Yue looked at the other party with great concern.

"I can't guarantee this because the data we have in our hands is seriously insufficient and cannot be analyzed." Wu Caihong is a professional after all, and without sufficient data support, she will not make any predictions.

Xu Yi sighed and said, "Let's not have illusions for now, just prepare for the long-term cooling. It's best not to enter the small ice river or the big ice river era, it's just a waste of manpower and resources."

"If it is true, then we can save a part of human beings and preserve the fire of human civilization."

Although Xu Yi is not pessimistic, Wu Caihong's words did make Xu Yi feel a little pessimistic.

Others also frowned. Ice Age, whether big or small, it doesn't sound good.

That means that the food supply becomes very tight, and a large number of ordinary people will starve to death and freeze to death.

The difficulty of human survival has directly become hell level.

"Can you still contact the military headquarters?" Xu Yi felt that the location of this place was relatively high and might also receive some signals.

"No, we have lost contact with the military headquarters for a long time. At present, I don't know what I am willing to do. The temperature drop cannot do this." He Kai said helplessly.

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