Although Xia Feifei is acting alone, his equipment is very complete, and there are two sets of night vision equipment alone.

The most expensive thermal imager is worth nearly 200,000 yuan. Of course, there are expensive reasons, even if ordinary people have money, they may not be able to buy it, this is still a set that Song Jiaxuan specially helped Xia Feifei get.

This set of thermal imaging cameras cannot perceive more sensitively, and the observation distance is much farther.

In addition, Xia Feifei also brought a night vision device, which also cost more than 100,000 yuan.

Spotting the target, Xia Fei used a thermal imager, observed the target, and he used a night vision device.

Because the sensitivity of the camera is not as good as that of a night vision device, if the target stops or moves slowly, it is fine, but if the target moves fast, the display of the camera image may lag behind.

Moreover, thermal imaging cameras only sketch a simple image through the infrared reflected back from the object, so that the user can distinguish whether the target is a person or an animal, but cannot see their face clearly, while night vision devices are a little ahead in this regard.

However, another important benefit of thermal imaging cameras is that they are easy to spot some obscured targets, which is not comparable to night vision devices.

In the display screen of the thermal imager, within a distance of less than forty meters on the left and right sides of Xia Feifei's front, more than a dozen targets were displayed in each.

Several of them were moving slowly with weapons in their hands, and it was clear that they were not ordinary residents. The rest of the people were lying flat and still, apparently resting.

The one that's moving is supposed to be the sentry.

Xia Feifei observed it with night vision devices and found that these targets were in the dilapidated buildings on both sides of the front, and he saw the three sentry posts at the entrance of the building on the left.

In the building on the right, you can only know that there are people inside through the thermal camera, but you can't see it with the night vision device, because the wall is blocking it.

Through location analysis, Xia Feifei knew that it was a sentry at the entrance of the building on the right.

Due to the war, this area is almost in ruins, there are no lights, and there are no searchlights, so these people who are on guard at night are probably more distinguished by movement, and at most they are equipped with flashlights and the like, which Xia Feifei has seen before.

Xia Feifei didn't think about bypassing it, but there are also strongholds in other directions, although the number of people in each stronghold is not large, but there are distributions almost every few tens of meters or so, and they are divided into several floors, arranged through buildings or barricades, obviously Harris has strengthened the protection of this area a lot.

Now it is less than two hours before dawn, Xia Feifei has not much time to delay, he is also a master of the arts, he walked directly to the back of the building on the right, and then leaned against the wall and began to walk.

Unless the person in the building on the right sticks his head out of the window, or is also equipped with a thermal imager, he will not be able to see him inside.

Therefore, Xia Feifei only needed to pay attention to a few sentry posts in the building on the left, and at the same time not to make a big noise, so he had to be as careful as possible.

There is no moon tonight, there are advantages and disadvantages, the advantage is that the other party does not use lighting equipment directly, and it is impossible to see him Xia Fei. The disadvantage is that even in front of you, you can barely see your fingers, let alone see the road.

The night vision device used by Xia Feifei cannot be worn directly on the eyes, and if you have to use the night vision device to look at it every step you take, it is obviously too inconvenient.

Fortunately, Xia Feifei prepared another night vision glasses, although the night vision effect is much worse than his night vision device, but it is not a problem to take a rough look at the road under his feet.

Fortunately, it is well equipped, otherwise it would have been a difficult one.

However, even so, every time Xia Feifei walks for a while, he still uses night vision and thermal imagers to observe the surrounding situation, so as not to have any emergencies.

Suddenly, a beam of light shot out without warning, startling Xia Feifei. But fortunately, it was not directly aimed at the direction that Xia Feifei was looking at.

Xia Feifei quickly glanced at the side, lowered his body, and lay directly behind a stone that could not cover his body. No way, it's better than nothing.

Because he was lying on the ground, Xia Feifei put his ear to the ground, and he heard footsteps moving, but it was not close to him.

After a while, he heard a strange sound again.

"Wow, pee......" Xia Feifei knew that it should be the guy who was in urgent need of urination, so he turned on the flashlight and went to find a corner to relieve him.

No one can predict this kind of unexpected situation, and if you happen to be swept away by a flashlight that is turned on indiscriminately, you can only blame yourself for being unlucky.

Obviously, Xia Feifei has not yet arrived home unlucky.

After the guy finished peeing, he returned directly to his post without glancing at Xia Feifei at all.

After the light source of the flashlight was turned off, Xia Feifei quickly stood up, continued to move forward without the slightest panic, and finally passed through this area without any danger.

This can be regarded as passing the first level, and there is a second layer behind it, and even the third layer, etc., but Xia Feifei has no way to retreat and continues to move forward.

After traveling about one hundred and fifty meters, Xia Feifei encountered the second level.

Xia Feifei didn't take the time to scout around, so as to choose the one that he felt was relatively easy to break into, but went straight to the one in front of him.

It's a main road, so it's relatively wide, but there are barricades in the middle, searchlights, and dozens of militants dangling around.

In this case, it is obviously more difficult to pass such a level, and the reason why Xia Feifei still hasn't changed his route is because he happened to see a car coming from a distance.

And this car is still an ambulance, which can't help but make Xia Feifei not guess.

"Is this the bus to Homos Hospital?"

However, there was not much time for Xia Feifei to think about it, and when the car passed in front of him, and before the light of the searchlight shone in this direction, Xia Feifei rushed out at once, and then quickly got into the car.

Because it was almost at the level, the speed of the ambulance slowly slowed down.

However, Xia Feifei didn't rush to get into the car, just followed behind it, blocking the sight of those sentries with the help of the body.

Xia Feifei's behavior was a bit risky, because no one was sure if someone would suddenly rush out from his left and right sides or behind him.

But at this time, when it was time to take an adventure, Xia Feifei would not hesitate at all.

With a pause, the ambulance finally stopped, saying that it was late, it was fast, Xia Feifei's body was short, and he quickly got under the body, and with the help of the sound of the car stopping, he successfully covered up the sound of his movements.

As soon as the car came to a stop, five or six sentry posts came forward to check the car, and two of them went around to the back of the car, and Xia Feifei had just gotten under the car from here.

Xia Feifei stuck his body to the chassis of the car, and tried his best to suppress his breathing, if these guys still had to check the chassis of the car, it would only be to blame him Xia Feifei was unlucky to get home.

Obviously, at this time, these listless sentries were not so careful, and they would not have thought that there would be people on the chassis, because the part of the ambulance just now was not easy to walk, and if someone hid under the car, I am afraid that they would also be squeezed.