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After returning from humanities professor An Guangsha, Wang Longqian, deputy director of the Central Bureau of Investigation and Statistics, and Wei Dongbiao, director of the bureau, immediately rushed to No. 29 Xishanfen to inspect Lan Xingyi's residence and assess the possibility of surveillance. Pen | fun | pavilion www. ｂｉｑｕｇｅ。 infoAt this moment, Lan Xingyi is in the United Kingdom, which is tens of thousands of kilometers away, and the two of them have nothing to fear, and after a trip with a light car and a smooth trip, they came to the small mountain outside Xishan Tomb Village. Wang Lung immediately picked up the telescope and pointed at the No. 29 courtyard of Xishan Tomb after diving out of the car, this time the scene he saw was the same as the last time, the telescope could only see the upper part of the main house of the house, the wooden window, the age was deep, the paint had almost fallen off, showing the original color of the wood, and the glass on the two frames had fallen off, revealing two black holes. Wang Longqian carefully observed the two black holes, and gently pushed Wei Dongbiao with his elbow: "Director Wei, did you say that the drone we used before can fly in through these two window holes that have fallen glass?" ”

"I'll see!" Wei Dongbiao took the telescope and looked at it carefully.

"It's the two pieces of glass that fell off next to the door!" Wang Longqian pointed to the side.

"I think it's okay!" Wei Dongbiao said cautiously after reading it. "How big was that drone last time?"

"The manual says it's more than 20 centimeters!" Wang Longqian thought about it carefully and said.

"Hmm," Wei Dongbiao put down his binoculars and nodded. "I think the two pieces of glass that fell off should be about forty centimeters long, if the technology is good, it won't be a problem to fly in!"

"Are you sure?" Wang Longqian looked at him suspiciously.

"I'm sure!" Wei Dongbiao nodded vigorously. "But the operation skills of the two of us are definitely not good, even if we strengthen our training immediately, it is enough to fly over smoothly before Lan Xingyi comes back!"

"Lei Yunxiao's flying skills are not very good?" Wang Longqian asked rhetorically.

"You mean let him take control?" Wei Dongbiao pondered for a moment, and then said affirmatively: "It's okay!" ”

"Then let's go back and start arranging surveillance!"

"Hmm" After saying that, the two of them walked down the hill and drove back to the headquarters of the Central Bureau of Investigation and Statistics. As soon as they came back, the two of them couldn't wait to call Lei Yunxiao, an engineer from the Central Bureau of Investigation and Statistics. Lei Yunxiao, a young man in engineering, has no complicated emotions, he only knows how to use his knowledge and talent to solve problems, and he neither understands nor is interested in scheming. This time, he had already forgotten about Wang Long's failure to let him operate a remote-controlled plane to detect the radiation intensity, and he had no intention of asking questions. But in the hearts of Wang Longqian and Wei Dongbiao, there was still a little bit of unsmoothness, and it was not very revealed, just praised Lei Yunxiao a few words.

"Yunxiao, the monitoring method you designed last time was good, and it successfully helped me solve the problem!" Wang Lung said with a smile.

"Ah, that's good!" Lei Yunxiao replied very modestly.

"We've been in a bit of trouble lately, and we have to ask you to use your wits to help me solve it!"

"This, this is easy to say!" Lei Yunxiao smiled innocently.

"How's your drone piloting skills?"

"Not bad, I won a prize in a drone piloting competition!" Lei Yunxiao is in the spirit.

"Oh, that's amazing!" Wang Longqian praised symbolically. "Do you remember the size of the quadcopter drone you bought in the bureau last time?"

"I remember, the length and width are 24 centimeters, and the height is 5 centimeters!" Lei Yunxiao said naturally.

"Remember it so clearly!" Wei Dongbiao was surprised.

"They're all like that!" Wang Longqian explained, turned his head and said to Lei Yunxiao again. "If there is a window that is 40 centimeters long and 40 centimeters high, can you remotely control that drone through it?"

"40 by 40?" Lei Yunxiao confirmed it rigorously.

"Yes!"

"That's fine!" Lei Yunxiao smiled confidently.

"The target is 200 meters away!" Wang Longqian attached another condition.

"Telescope?"

"Yes!"

"That's fine!"

"Well, you go back and figure out how to do it, and we'll go on a mission tomorrow morning!" Wang Longqian commanded.

"Okay!" Lei Yunxiao agreed to go down, Wang Longqian and Wei Dongbiao were very tired after a day of running, they charged the battery of the remote control drone, checked that the remote control and camera were fine, and went back to rest.

Early the next morning, Lei Yunxiao came to the headquarters of the Central Bureau of Investigation and Statistics on time, and soon Wang Longqian and Wei Dongbiao also arrived, and the three of them packed up their equipment and headed towards Xishan Tomb Village, and soon came to the small hill that they frequented before. Wang Longqian was not in a hurry to assemble the equipment, but pulled Lei Yunxiao to the top of the mountain, first took the telescope to see that there was nothing abnormal, and then handed the telescope to Lei Yunxiao: "Look at it, the farmhouse opposite is the residence of the suspect." ”

"Director, you mean that the remote-controlled drone flew in through the window holes where the two pieces of glass fell off?" Lei Yunxiao asked after holding the binoculars in both hands and checking it for himself.

"Hmm," Wang Longqian nodded. "Do you think it's possible to fly in without touching the surrounding wooden window frames?"

"It should be fine from here! The window frame is 40 centimeters, right? But if you don't try it, you're not sure! Lei Yunxiao said very rigorously.

"It's okay with this distance, right?" Wang Longqian asked with a little worry.

"The distance is no problem, I can stare at the display!" Lei Yunxiao said confidently.

"Okay, then I'll try!" After saying that, Wang Longqian and Lei Yunxiao got off the mountain bag and came to the car, and Wei Dongbiao had already packed up the relevant equipment. The three of them carried the equipment to the hill bag for the second time, Lei Yunxiao assembled the remote-controlled drone, and Wei Dongbiao was responsible for debugging the computer. After assembling it, Lei Yunxiao suddenly asked nervously, "Director Wang, won't the suspect be at home, right?" ”

"Haha, it won't!" Wang Longqian comforted kindly. "She's gone to England!"

"Oh" Lei Yunxiao nodded reassuringly, he connected the signal of the remote control drone to the computer first, and put a mobile phone on the remote control to stare at the direction of the drone. The fuselage of the remote-controlled drone flashed, the wings began to rotate, and the speed became faster and faster, and a few seconds later, the plane took off into the air and flew smoothly towards the farmhouse of No. 29 Xishanfen. Wang Longqian stared at it with a telescope, and when he saw that the plane was getting farther and farther away, he put away the telescope and stared at the computer monitor with Wei Dongbiao. At first, Lei Yunxiao could still see the trajectory of the plane, and at a distance, his glasses with thick glasses at the bottom of the wine bottle could not do anything, so he had to stare at the display screen of the mobile phone on the remote control. Soon the courtyard wall of the farmhouse appeared in the display screen, and after crossing it, he saw the whole picture of the courtyard, Lei Yunxiao estimated the height of the window hole and adjusted the direction of the plane. After a few efforts, the two window holes appeared on the display screen, Lei Yunxiao operated the remote control drone to approach the two window holes, and when he was about to meet, he let the drone stay in the air for a while, put down the remote control and said to Wang Longqian: "Director Wang, I'll use the telescope!" ”

Wang Longqian was looking at the computer monitor nervously, and suddenly the picture in front of him didn't move, he thought something was happening, and quickly turned his head to look at Lei Yunxiao, just as Lei Yunxiao asked him for a telescope, he didn't hesitate, and immediately handed it over, and asked by the way: "What's wrong?" ”

"I'll make sure I can fly in!" Lei Yunxiao said indifferently, then picked up the binoculars and carefully examined the flight path.

"How?" Wang Longqian asked from the side.

"It's not a big problem from that point of view!" Lei Yunxiao said confidently.

"That's good!" Wang Longqian relaxed a little. Lei Yunxiao handed him the telescope, picked up the remote control to adjust the direction of the drone, stepped back, followed by the acceleration and flew towards the center of the window hole of the black hole, and then urgently slowed down and swirled around in the room. Wang Longqian stared at the picture nervously, and suddenly the picture was completely black, he was shocked, and saw Lei Yunxiao's expression indifferently operating there a little calmed down, and asked with some doubts: "Successfully flew in?" ”

"Yes!" Lei Yunxiao replied easily.

"That picture..."

"Oh, the picture has been stable just now, which means that the plane didn't hit any obstacles when it flew in, and the picture is dark because the light inside is too dark!" Lei Yunxiao hurriedly explained.

"What then?" Wang Longqian was a little anxious, for fear that he would return in vain, or that the aircraft would not be able to fly out in the dark environment where he was stranded.

"I'll just turn on the light, but, Director Wang, we can only stay inside for three minutes!" Lei Yunxiao said very seriously.

"That's it?" Wei Dongbiao interjected from the side in some surprise.

"Yes, Director Wei, this time of coming and going, plus the time of passing through the window frame, if you turn on the lights again to increase the power consumption, it will be three minutes at most!"

"Three minutes is three minutes, then you have to turn on the lights!" Wang Longqian urged. After hearing Wang Longqian's order, Lei Yunxiao immediately turned on the headlights of the aircraft, and the picture instantly returned to normal. There were two sofas on the side, one was also full of dust, and the other was very clean, Wang Longqian was very surprised, Wei Dongbiao said faintly: "Isn't this the legendary ghost house?" ”

Wang Longqian turned his head and glanced at Wei Dongbiao quickly, and said boldly: "What a ghost house, don't scare yourself!" ”

"Yes, Director!" Wei Dongbiao responded.

"Yunxiao, let the plane slowly turn around in place!" Wang Longqian said to Lei Yunxiao, who was operating the remote control. Lei Yunxiao was very calm at this time, and he didn't pay attention to the difference between the sofas in the room, but he just felt that this room was too little furnished, and it didn't look like a resident. Fortunately, he operated it, if it was a sensitive guy who operated it, he would have to fall this time! After hearing Wang Longqian's order, he operated the plane to rotate in the air, and the picture also rotated, Wang Longqian and Wei Dongbiao stared nervously at the computer monitor, and slowly the sofa and bed turned out of the scope of the lens, and a wall appeared in the lens, and there was nothing new, Wang Longqian didn't speak, and Lei Yunxiao slowly turned the plane. After the camera turned to the wall, the eyes became empty, and suddenly an object they had never seen before appeared in the distance, Wang Lung was really startled, he fixed his mind and looked close to the display screen, only to see that there was a small pyramid on the open ground in the middle of the room, the tower body was transparent, and there was a golden transparent chalice on the top of the tower, and the chalice was inlaid with three gems, and the gems emitted a glowing red light.

"Stop!" Wang Longqian shouted, Lei Yunxiao was startled, and the plane shook twice and then returned to stability.

"What's wrong, Director?" Lei Yunxiao looked at Wang Longqian and asked.

"Don't turn around!" Wang Longqian raised his arm to stop.

"Good!" Lei Yunxiao agreed and stopped the operation, and the camera was facing the pyramid and the Holy Grail.

"Pyramids?" Wei Dongbiao also exclaimed in surprise.

"Yes, several ancient civilizations say that there are pyramids, but do aliens have them too!" Wang Lung commented nervously.

"This alien still believes in Christianity, huh?" Wei Dongbiao made another astonishing discovery.

"Christianity? What do you mean? Wang Lung asked puzzled.

"Look at the top of the pyramid, isn't this a holy grail?" Wei Dongbiao pointed to the picture and said.

"yes, no, no, she must have some other purpose, which happens to be the same as the shape of the Holy Grail!" Wang Longqian explained.

"Director Wang, what aliens are you talking about?" Lei Yunxiao asked puzzled.

"Ah, nothing!" Wang Longqian hurriedly denied it, and then he pointed to the monitor and said, "Do you see this tower-shaped building in the lens?" ”

"I saw it!" Lei Yunxiao nodded indifferently.

"Can the power still go around it?"

"That's not a big deal!" Lei Yunxiao manipulated the remote control to make the plane circle around the pyramid, and the other sides were the same as what he saw on this side, except for the whole picture of the pyramid and the Holy Grail, he didn't find anything bizarre. Lei Yunxiao reminded: "Director, there is still half a minute of detention time at most, is there anything else to see?" ”

Wang Longqian saw that time was so tight, and he didn't have time to think about it, but he couldn't waste this half minute, so he had to start at the field he was familiar with. After thinking about it, he said firmly: "Put the plane facing that sofa and that bed, and take a few more photos to complete the task!" ”

"Good!" Lei Yunxiao agreed to operate the remote control and let the plane fly to the other side, taking pictures of the sofa and bed repeatedly. After half a minute, Lei Yunxiao pulled up the plane and flew towards the two window-free openings, still following the original steps, first aligning the plane close to the window, then retreating, and then accelerating towards the center of the bright window. The picture instantly brightened a lot, and after Wang Longqian saw that the picture had not shaken, he confirmed that the plane had flown out safely, and he breathed a sigh of relief. Lei Yunxiao controlled the drone and flew quickly towards Xiaoshanbao, although he was not as nervous as Wang Longqian and Wei Dongbiao, Lei Yunxiao was also tired and sweating. Wang Longqian walked over with a smile, patted Lei Yunxiao on the shoulder and said, "Young man, it's really good!" ”

"Hehe" Lei Yunxiao was not polite, but just grinned.

"Alright, pack your things, let's go back!"

"Hmm," Lei Yunxiao nodded. The three of them quickly put their gear back in the car and drove away.

Back at the headquarters of the Central Bureau of Investigation and Statistics, Wang Longqian called Lei Yunxiao over and said, "Yunxiao, you have also seen the situation today, and you have to trouble you to find a way to monitor criminal suspects." Where do you think it's better to put the camera? ”

"The room is very empty, it is easy to be found on the wall, the content of the surveillance should be an unknown object in the room, I think the camera is better placed on the sofa or bed!" Lei Yunxiao thought for a moment and said very seriously.

"Can you install the camera the same way you do today?" Wang Longqian asked with some concern.

"Today's method, remote-controlled drones?"

"Hmm"

"I'm afraid it's more difficult, I have to think again!" Lei Yunxiao said with some embarrassment.

"Well, you go back and think about it, and give me an answer as soon as possible!" Wang Longqian admonished.

"Good!" Lei Yunxiao thought about it and went out.

"What the hell do you think her pyramid and that chalice do?" Wei Dongbiao walked over and asked puzzled.

"These things, if Lan Xingyi hadn't personally rehearsed them for us, I'm afraid it would be difficult for scientists on the earth to figure them out!" Wang Longqian sighed.

"That's right!" Wei Dongbiao nodded silently. "I hope Lei Yunxiao can come up with a way as soon as possible, so that we can set up surveillance before Lan Xingyi comes back!"

"Don't worry, I estimate that this afternoon or tomorrow morning, Lei Yunxiao will be able to come up with a solution!" Wang Longqian said with a smile.

"You believe him so much?" Wei Dongbiao was a little skeptical.

"Our aircraft have all gone in, and he still has the ability to modify it slightly!"

"I hope so!"

In the afternoon, Wang Longqian received a call from Lei Yunxiao, saying that he had come up with a way. Wang Longqian immediately invited Lei Yunxiao to come to the headquarters of the Central Bureau of Investigation and Statistics again to discuss specifically. It didn't take long for Lei Yunxiao to appear in Wang Longqian's office, and he said straight to the point: "Director, we may need to buy some equipment!" ”

"Well, okay, tell Director Wei what you want, give what you want!" Wang Longqian said very generously, he also knew that Lei Yunxiao would not come out with any flowers.

"Yes, you can say what you need to buy!" Wei Dongbiao also responded to the road.

"It's a flying robot that's similar to the four-rotor remotely piloted aerial vehicle we bought last time!" Lei Yunxiao organized the language for a long time before he spoke.

"Flying robots? And this? Wang Longqian asked suspiciously.

"Yes, I've read them all, it's available online!"

"Okay, then you can place an order, and we will reimburse!" Wang Longqian is very generous. "Tell us about your plan!"

"Good!" Lei Yunxiao thought for a moment, paused for a moment, and then said: "That's how I think about it, let's first hide the camera in a plastic tube, the front end is fixed, and the back end of the plastic tube is sharpened. Put this plastic tube in the hand of the robot, and do the same as our operation today, let the robot fly into the room through the window hole, land near the sofa, and then walk to the side of the sofa, raise your hand and insert the monitoring equipment into the gap in the sofa interface! ”

"It's as simple as that?" Wei Dongbiao seemed a little skeptical.

"Yes, his sofa is old like that, it's not difficult to find a gap, and this action just now is easy for a robot!"

"Well, that's it!" Wang Long's decision was decided. "You buy that flying robot as soon as possible, and then get the monitoring equipment right, and we'll install it in the suspect's den together when it's done!"

"Okay" Seeing that his proposal was accepted by the director so quickly, Lei Yunxiao left Wang Longqian's office very excitedly. Three days later, the three of them went to the No. 29 farmhouse in Xishanfen and successfully installed the monitoring equipment. When Lan Xingyi was still looking for the whereabouts of her companion in the UK, Wang Longqian had already laid a surveillance net for her at her residence.