Master Doctor in the City

Two Toyota overbearing left here and headed towards the border between China and Mongolia.

It should be dozens of kilometers away from China now. Under normal circumstances, because the road conditions are not very good, that is, two or three hours, you may reach the border between China and Mongolia.

In fact, in Ye Chen's view, Mongolia has always been a foreign country, and it doesn't feel like home. On the contrary, when he approaches Inner Mongolia, Ye Chen feels closer.

The two soldiers drove one after the other, because the car was equipped with gasoline, so they were not worried about the sudden lack of gas.

Ye Chen sat in the car and kept looking out the window, because it was night now, and looking out, it was the endless Mongolian Plateau, which was not very clear.

About two hours later, Ye Chen felt strange. Why hasn't he reached the border for so long?

"Isn't there yet?" Ye Chen asked.

The female translator Ulan asked the soldier.

"It's almost here," said the driver *.

In all aspects of navigation in Mongolia, it is far from the domestic one.

Domestic navigation now has detailed maps even in remote places, but there is no such thing in Mongolia. Now these soldiers are driving completely by feeling.

Suddenly, Ye Chen saw tall buildings and lights in the distance.

"It won't be the city on the border of Inner Mongolia!"

Compared to Mongolia, Inner Mongolia is indeed much more developed.

In addition to many Mongolians, there are also Han people in Inner Mongolia, but even if they are of the same race, economic development is likely to differ greatly in all aspects.

It should be the same in Inner Mongolia.

Seeing the lights from that tall building, Ulan, Liu Jing, and even Xia Qi were very excited, thinking they were very close to the border city.

However, the look of the guide Bilge was different.

That is probably not a border city at all.

However, the other party did not say.

Moreover, this car and the car behind them were driving forward.

Suddenly the two cars stopped. When Ye Chen and Xia Qi got out of the car, they found that the sand was extremely heavy and the temperature was very low. At first glance, it was not a big border city at all, and it should be here. desert.

There are large deserts in Inner Mongolia. Even if the desert is transformed, the desert still exists.

Now that soldier* and another soldier were blinded.

They just drove based on their feelings and navigation. Unexpectedly, they might drive in the wrong direction now.

"Doctor Ye, what I just saw was an illusion."

phantom?

What illusion?

"Did you get dazzled just now?"

"No, it's a mirage."

Mirage?

Ye Chen understood it all at once.

In fact, mirages may be common in the sea, and mirages may be encountered in the desert or even on the surface of the Gobi Desert.

Now when I come to this place, it is normal to encounter a mirage.

However, many people think that if there is a mirage, it must be a place of refraction. Otherwise, how could you see these things nearby?

In other words, there is probably a reference object nearby.

However, looking at the past now, I have not seen it at all.

"Doctor Ye, get in the car first. Now we don't know where it is."

Said the soldier and female translator Ulan.

When I got into the car, closed the door, I can only stay in the car now, and the heater is still on.

If you are in the desert, going out is really dangerous, especially at night.

Now Ye Chen found that the temperature here was actually lower than the temperature in the former Mongolian National Small City Hospital, perhaps two to three degrees Celsius.

Outside at night, when there is no fire, most people really can't stand it.

However, Ye Chen is no ordinary person.

Before he let these people in the car, Ye Chen went down to watch by himself.

He just saw the mirage from a distance, and now when he came so close, he still saw the mirage, which was actually far away from him.

It may be several kilometers away, but it is still very clear.

Even Ye Chen could feel someone walking in the tall building on the mirage.

According to scientific terms, a mirage, also known as a mirage, is a natural phenomenon formed by the refraction and total reflection of light. It is a virtual image formed by the atmospheric refraction of light reflected by objects on the earth.

Its essence is an optical phenomenon.

The appearance of mirages is closely related to the geographical location, geophysical conditions and the meteorological characteristics of those places at a specific time.

Its characteristic is that the same place repeatedly appears at the same time.

In places such as calm seas, large rivers, lakes, snowfields, deserts, or Gobi, occasional illusions such as tall buildings, city walls, and trees appear in the air or "underground", called mirages.

This kind of illusion often appears on the sea in Penglai, Shandong, my country. The ancients attributed it to the mirage of the genus of dragons.

A mirage is an optical phenomenon. The hot air rises on the sandy or stone surface, which causes the light to refract, thus creating a mirage.

Mirages can occur in desert areas about 6 miles from the coastline, making objects 1 mile away or more appear to be moving. It makes land navigation very difficult, because natural features are blurred in the mirage environment.

The mirage makes it difficult for a person to distinguish distant objects, and it also blurs the outline of the distant vision. You feel as if you are surrounded by a piece of water, and the higher part of that area looks like water. "Island". The mirage also makes it very difficult for you to identify targets, estimate range, and find people.

However, if you go to a higher place 10 feet above the desert floor, you can avoid the hot air close to the surface and overcome the mirage illusion.

In short, as long as you slightly adjust the height of the wait and see, the mirage phenomenon will disappear, or its appearance and height will change.

Mirages are often produced in the sea and in the desert. Mirages are the result of refraction of light in air layers with different densities along a straight line.

However, many people think that scientists are still not very clear about this mirage, and many people also think that the mirage is a representation of another world on the earth, and it may even be a parallel world.

Now, Ye Chen standing here looking at the mirage scene, somehow he did feel a little scared and horrified, because he felt that when he looked at the tall building, he also felt that many eyes were staring here.

When Ye Chen wanted to look down, the soldier* in the car hurriedly called him up, because the danger of the desert was not as simple as imagined.