After finding a place nearby that could hide from the heat source, Ren Xu arranged for everyone to rest there, and then covered the outside with some branches. Ren Xu began to recall in his mind all the places he had passed in the past few days.
The other side has a master...
The meaning of having an expert is that the opponent must have the ability to avoid thermal imaging or...
Or maybe the other party also has a thermal imager! Even more accurate!
The imaging of thermal imaging cameras is based on temperature difference. Currently, the outside temperature at night tends to be 16 degrees Celsius, which is 20 degrees different from the human body. Under the action of thermal imaging cameras, it is like a bright light.
Some people will lower their body surface temperature by smearing mud on their bodies, but this is only temporary. The human body is a big heat source and can quickly heat the mud to body surface temperature.
Therefore, the better way to protect against thermal imaging cameras is to shield yourself or wear special clothes that block a certain amount of heat radiation, such as firefighters' clothes.
But this still doesn't work. If you wear this kind of clothes in the mountains and forests, the thermal imaging camera may not be able to see it, but the silver light is shining...
Someone said, why not put on a layer of shiny silver fire suit first, and then put on something else on the outside?
no……
This outer layer can block a certain amount of heat radiation, but it cannot block heat conduction. The human body will still heat the coat, making it detectable.
Shielding is effective, but the only thing left is to constantly maintain a low body surface temperature, which is naturally difficult.
However, once the other party has better and more accurate thermal imaging, and the police do not wear any disguise, it is certain that they will not be able to find these people.
Even with such preparations, the enemy still couldn't get through the border, but Ren Xu knew that the other party must have a backup plan and he couldn't give up just because he couldn't find it now.
His own people didn't move at all, and Ren Xu hid himself in a tree, using a large number of branches to shield himself from the heat.
He could vaguely remember what Master Qiao said, that one should not breathe in deeply, but should cover his lower lip and exhale the hot air to one side of the body.
…
Although these people may not pass through here, as long as they pass by, he will definitely make a discovery!
At this moment, Ren Xu recalled many stories in his mind.
He came to southern Xinjiang these two days, lived with the local police, and heard many heroic deeds of their predecessors.
There are really many things on the border that ordinary people can't imagine.
Almost every year, someone dies on this line.
Many people cannot understand this simple sentence at all.
Some people may ask: "Is this true? Is this still the case? It's 2016!"
In everyone's subconscious, with the country developing so well and people's living standards improving so much, coupled with various severe crackdowns, there will be fewer and fewer cases like this, right?
But that is not the case.
More and more people love money very much, and they always say "Nothing else matters, I just want to make money." Among them, one percent take the wrong path, one percent turn to crime, one percent of those on the criminal path become drug dealers... In short, there must be a lot of them.
Moreover, in recent years, such things are not just about the interests of the thing itself, but also about the continuous support of the United States and others behind the scenes.
The moonlight was not very bright, and Ren Xu's vision was not very good. Being in a high place did not mean that the vision was very good, because there were too many trees.
All he could rely on was the thermal imager, which was his eyes, an eye with a wide range.
I heard that two years ago, in this area, an old policeman was smashed to death while trying to stop cross-border smugglers. But in addition to this, the police also killed four or five gangsters with weapons.
Thinking about this, Ren Xu's mood became calmer and calmer.
…
A dot suddenly lit up on the thermal imager. There was a small heat source in the distance. It looked very small, but it appeared in an instant. Then the temperature index became lower and lower, and then it disappeared.
Ren Xu frowned. He didn't know what was going on, but he knew what to do.
Robert Capa, the famous war correspondent, once said, "If your photographs are not good enough, you are not close enough."
This sentence is the glory of all war correspondents. Ren Xu roughly judged the distance just now, estimated to be 300 meters. He climbed down from the back of the tree, and then walked quietly towards the place where the light had just appeared. On the way, he kept letting the trees block his body heat source to reduce the exposure of his body as much as possible.
After walking about 200 meters, Ren Xu hid himself again, took out the thermal imager, and suddenly he saw several human figures!
At this moment, Ren Xu's body hormones were secreted rapidly, but at the same time he tried his best to reduce the area of his body exposed to the outside world. The other party really had a master!
Two or three hundred meters away, Ren Xu and others' thermal imaging cameras could not see the other side at all!
At this time, Ren Xu already knew what the red dot was.
Someone on the opposing team farted!
!!!!
They were already close enough, and Ren Xu was not greedy for credit. His current position was already very dangerous, and he would definitely be discovered if he went any further. Since he could determine from the thermal imaging that the other side had a large number of people, there was no way he could escape!
No matter how cunning a person is, he can't do things this way.
Ren Xu immediately retreated behind a big tree, then sent the situation to his cousin and at the same time sent his own location.
At this moment, almost all the forces nearby gathered around.
It sounds exaggerated, but in a mountainous area with a radius of ten kilometers, it would take at least one or two hours to form a truly valuable encirclement.
There is not much point in flying a helicopter over. The other party has escaped in different places and it is still impossible to identify the main culprit.
Ren Xu followed slowly. He had a strong intuition that he couldn't get any closer. If he got any closer, the trees would not be able to cover him at all!
Fortunately, he was alone and the other side had more than a dozen people, otherwise it would be a big trouble!
Because he was worried that the other party would be able to detect his signal, he turned off the location after sending it once, and also turned off all the radios on his body.
Ren Xu knew that the other party would definitely go straight to the border. There were not many border guards here, but he didn't need to worry about it. He knew that Ren Hao would definitely notify them.
However, at this moment, Ren Xu's thermal imager became dim again and he could not see the other party again.
In other words, the other party's surface temperature, which had just risen a little, dropped again through some unknown means.
Unable to follow any further, Ren Xu sensed a strong sense of danger, and he began to slowly retreat in concealment.
Even after retreating hundreds of meters, he did not lose the sense of danger.
The opponent's thermal imaging device is at least 500 meters away. He doesn't know the opponent's position now, so he doesn't know where is "behind the tree". Once the opponent adjusts the direction, his position will be exposed immediately. Not only will he be finished, but the opponent will also be extremely alert and quickly change routes.
However, just as Ren Xu was desperately trying to retreat slowly, he suddenly felt his feet were on empty air, and he immediately fell down beside the tree, not knowing where he fell.
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