7 p.m.

Riverside Park.

There is still an hour before the official fireworks show, but the scene is already crowded.

After parking the car in the underground parking lot of a shopping mall, Gu Chen walked to it with everyone.

In order not to get stuck in traffic, Gu Chen even chose to park a kilometer away from Binjiang Park.

But even so, Gu Chen still underestimated the determination and will of the people of Jiangnan City to join in the fun.

Walking to Binjiang Park, the formation has already become: everyone everyone police officer Wang, Lu Weiwei, Gu Chen, Nie Xiaoyu, Master Nie everyone is everyone.

Afraid of being swept away in the crowd, everyone simply held hands.

But even so, Gu Chen was still squeezed by a group of female middle school students, and he didn't know how many footprints he had stepped on on his little white shoes.

Everyone goes out in casual clothes at night.

Nie Xiaoyu and Master Nie are wearing white sweatshirts and sports casual pants, which makes people know that they are father and daughter at a glance.

And Gu Chen and Lu Weiwei are wearing red sportssuits and small white shoes.

Of course, this is not a coincidence......

Lu Weiwei would not tell Gu Chen that she secretly followed Gu Chen's clothing style and bought a women's suit of the same style.

The name is the same.

Of course, this is not the first time that such a shirt collision incident......

With the same style of clothes as Gu Chen, Lu Weiwei has two more sets, or more.

Properly collide into a couple's outfit......

Unlike the casual clothes of the father and daughter of the Nie family, and the sportswear of Gu Chen and Lu Weiwei, Officer Wang wore a plaid suit and leather shoes.

Mature firmly occupies the C position......

The style of his suit is the latest, imitating the new autumn style of a big brand.

It was also after buying the clothes of his wife and daughter, he used his last savings to cut from 500 yuan to 100 yuan in the night market.

Although it is cheap, it is still worn on the sturdy figure of Comrade Wang, and it still wears the feeling of a supermodel uncle.

After all, they are often unable to accompany their families, so it is better to use more change for their wives and daughters, Comrade Wang thinks...... It's a good way to compensate.

There are more and more people, and at some intersections, there are already some police academy students maintaining order.

Everyone used the traffic light as a signal and the sidewalk as the basis to pull up a pedestrian wall to effectively separate the crowd from the traffic.

On the main square of Binjiang Park in Gangnam City, which has been separated by guardrails by the organizers, this is the main venue for fireworks blooming, and there are the most people on the periphery.

In recent years, fireworks are no longer allowed in the urban area during holidays, so that the city is becoming more and more devoid of the New Year's flavor.

Especially after the ban on fireworks and firecrackers was introduced, the babies who didn't know what fireworks were?

And the official concentrated fireworks have also touched the memories of many people for many years, so many of those who came to watch the fireworks feast were dragged by their families.

"Have you heard? This fireworks feast is the handiwork of our Jiangnan fireworks master. ”

"You're talking about Jiang Wentao, right? That's a great international fireworks master. ”

"I've heard of this person before, but I don't know, it turns out that he is a native of our Jiangnan City?"

"I heard that many international large-scale fireworks displays are from Mr. Jiang Wentao's team, and this time we can hold this kind of evolution show in our Jiangnan City, but it is amazing. ”

"Yes, just look at the interview car, you can see that there are not only local media in Jiangnan City, but also many media from brother provinces and cities, and even a lot of media in Beijing. ”

"Teacher Jiang Wentao is amazing, his influence is so great, it seems that he has a blessing tonight. ”

Many tourists were waiting and began to chat about the various deeds of the fireworks master Jiang Wentao.

After listening with his ears pricked up, Master Nie turned back to Nie Xiaoyu and said, "It turns out that Jiang Wentao is so famous in the world?"

"Isn't it, their team participates in 30% of the major international fireworks displays. Nie Xiaoyu also told what he knew.

Gu Chen also smiled: "In this fireworks display, the explosion time of the fireworks bomb is controlled by the chip. ”

"Core ...... Chip control?" Lu Weiwei on the side was directly stunned, and said: "Is it so powerful? The explosion of fireworks bombs can also be controlled by chips?

Lu Weiwei hurriedly turned her attention to Officer Wang again.

"Well, I think I've heard of it. After thinking for a moment, Officer Wang looked at Gu Chen again and asked, "Gu Chen, do you also know anything about this?"

"I've learned a little bit. Gu Chen also looked at the fireworks at the scene, and couldn't help but say: "Like the shape of the most common 'fireworks tree' in a large-scale fireworks show, if there is no scientific and technological support, it will definitely not be able to present a strong sense of dynamics." ”

"Yes, we used to see some 'fireworks trees' on TV, that strong sense of dynamics, it's really amazing, I was thinking, such a sense of dynamics is actually presented with fireworks, what does it rely on?" Nie Xiaoyu also couldn't wait to interject.

"It's technology. Gu Chen also smiled and said: "The fireworks in the sky should 'dance' with the music, and there will be a delay effect in the rhythm, and the explosion should also correspond to the rhythm of the music." ”

"So every important firework bomb has a chip on it, and the chip has a time setting, and the explosion time of each firework bomb must be measured. ”

Lu Weiwei couldn't wait: "If that's the case, then it's very exciting, tonight I heard that there will be not only fireworks trees, but also fireworks with the words 'Jiangnan City'." ”

"Also...... Can there still be subtitles?" Officer Wang couldn't believe it, and asked Gu Chen again: "Then isn't this more difficult than the technology of the fireworks tree?" After all, the fireworks tree is a three-dimensional thing with a sense of picture, but if the subtitles are not good, then it will be a joke." ”

"Senior Brother Wang is right, but the formation of characters in the air is a mature technology. Gu Chen's remarks instantly dispelled Officer Wang's concerns.

At this time, a group of female middle school students who came to watch the fireworks show couldn't help but look at Gu Chen curiously, and said that this little brother knows a lot.

A short-haired girl couldn't help but ask Gu Chen curiously: "Isn't it just a good position on the ground to form a character in the air?"

Gu Chen glanced at her and said with a smile: "That's right, but it's not so simple, just like the big footprints of the opening ceremony of our Beijing Olympic Games, they are all single-line horizontal fireworks, which can be launched synchronously in the ground formation." ”

"It's just a matter of posing on the ground. Another tall, thin middle school girl with a ponytail also said that she felt that she could finally interject.

Gu Chen smiled: "In fact, it is also full of difficulty to launch, because the words 'Jiangnan City' are to be hit at an altitude of 300 meters, and the final group area reaches nearly 300 square meters, which is too far away to outline the shape, and too close to paste together, so it must be done accurately, and the launch time difference is only 100 milliseconds." ”

"100 milliseconds?" Lu Weiwei was also stunned, of course she knew the concept of seconds, but milliseconds were much more accurate.

Gu Chen looked at the fireworks tree launch shape in the central square, and couldn't help but sigh: "The 25-meter-high fireworks tree soared into the air, full of high-tech feeling, but the explosion time of the fireworks bomb is controlled by the chip, so it's much better." ”

"What Gu Chen said is very right. "Master Nie has participated in the security work of some large-scale shows, especially some fireworks displays outside the venue, and Master Nie has been standing next to him at the beginning, and he has also had in-depth exchanges with the staff.

Therefore, he can understand what high technology is from Gu Chen's words.

It can be said that all links have strong scientific and technological content, such as the wireless excitation used in the theme performance, the light and shadow grouping, the sound setting and lighting setting of the entire mass party, etc., and new technology is reflected in the choreography all the time. ”

Listening to the words of his father and Comrade Nie, Nie Xiaoyu was also stunned, and asked weakly: "Dad, do you also know this?"

"Dad used to be a policeman, can you not understand?" Comrade Lao Nie suddenly became proud, and said: "I know a little about how these people operate. ”

"Master Nie is right. Seeing that there were connoisseurs present, Gu Chen also said excitedly: "Now the design of fireworks is different from the past, ten years ago it was a net screen fireworks, and there are restrictions on fireworks painting on a huge net screen." ”

"But now, the entire sky in the square is used as a drawing board, and through the high-altitude, medium-altitude, and low-altitude fireworks, the fireworks you actually see are paintings. ”

A group of middle school girls suddenly exclaimed, "Is it so powerful?"

Gu Chen smiled: "I'll see you later, what I said won't be wrong." ”

The short-haired middle school student asked weakly, "What does my little brother do?"

"Yes, you know so many things, I feel that the unique skills of our Jiangnan City fireworks master Jiang Wentao have all been mastered by you. Another tall, skinny girl with a ponytail asked.

Everyone wants to know what they are interested in, and people will always try to understand what they don't understand, just as humans first discovered electricity.

At that time, many people only thought that this was a very good invention, but it was difficult to understand its principles and contributions at that time.

So for these high-tech fireworks shows that contain chip technology, everyone wants to know more.

Of course, this is only pure crumbish interest.

Gu Chen shrugged: "I'm just interested." ”

In fact, these were also what Gu Chen saw by chance in a science and technology magazine.

The library has a wide variety of books that can answer almost many of humanity's problems.

Gu Chen was just flipping through it casually at the time, but he accidentally remembered it.

"There's not a lot of people over there, so let's go over there. In Gu Chen's ears, Lu Weiwei couldn't wait.

In crowded walking, watching fireworks shows becomes a more painful activity.

Fortunately, Lu Weiwei found a vacant lot in Binjiang Park, the perspective is not bad, and there are not many key people, so she immediately suggested that everyone go there together.

Officer Wang looked at him, and immediately said excitedly: "There are indeed few people, this place can be found by you, so why don't you go over, the province is squeezed into meat sauce here." ”

"Dad, I'm thirsty, I'll go buy some drinks. Nie Xiaoyu pursed the dry corners of his mouth.

Nie Xiaoyu hadn't drunk water since noon, so he was also thirsty now.

Master Nie looked left and right and said, "There are so many people now, they will definitely be separated later, otherwise, you go to that vacant land first, and after I buy water, I will go over there to find you." ”

"Master Nie, I'd better go. Gu Chen immediately said, "You go first, and I'll come later." ”

After Gu Chen finished speaking, he turned around and left, Master Nie wanted to stop him, but he couldn't catch up, and was squeezed away by a group of people, so he had to say behind him: "Gu Chen, then you be careful." ”

"Yes. Gu Chen raised his hand, and soon disappeared into the crowd.

Riverside Park used to have a number of kiosks, most of which were concentrated near public toilets.

However, since most of the people who come here to play are concentrated on holidays, the usual riverside park is not an important check-in place.

As a result, the commissary was later abolished......

Most of the people who can do business here now are itinerant vendors.

But it is not easy to find these mobile vendors today, and Gu Chen has long been mentally prepared.

After passing through a few streams of people, Gu Chen came to the periphery of Binjiang Park and saw a parent with a child, talking and laughing, each holding a bottle of water in his hand.

So Gu Chen stepped forward and asked, "Sorry to bother, where did you buy this water?"

"There's a kid over there selling water. The parent turned and pointed to the right side of a public toilet.

"Okay, thanks. ”

Gu Chen struggled through the crowd, and finally found a little boy selling water under the guidance of his family.

The little boy was about seven or eight years old, and he sat on a step with a bag hanging from his waist.

Next to it are several boxes of drinking water, and there is a handwritten signboard in front of it: mineral water is two yuan, and mobile payment is supported.

When Gu Chen walked over, several tourists had just dispersed.

"Kid, I want 5 bottles of water. Gu Chen took out his mobile phone and said.

"Okay. The little boy skillfully took out three bottles from the cardboard box and handed them to Gu Chen, and then took out two bottles from them: "Your 5 bottles of water, a total of 10 yuan." ”

"Can you pay on mobile, right?" asked Gu Chen.

"Yes. The little boy pointed to the QR code posted on the signboard, one is WeChat payment, and the other is Alipay payment.

"You can sweep any of them. The little boy said.

Gu Chen smiled, opened WeChat and began to scan the code.

However, when I turned on my phone, the network signal was in a poor state.

The mobile base station nearby was far away, and there were a large number of people, Gu Chen tried seven or eight times but still to no avail.

The little boy stood up, craned his neck to look at Gu Chen's mobile phone, and asked, "Is the network bad?"

"yes, it was fine just now, but not now. Gu Chen said.

"Did the little brother bring any cash?" the little boy asked again.

Gu Chen hurriedly took out his pocket.

Except for a palm-sized sticky note, there was only a pen left.

Gu Chen turned all his pockets out, and smiled helplessly: "I'm sorry, I didn't bring cash." ”

Seeing that the little boy was a little disappointed, Gu Chen said again: "Then I'll try again." ”

A few more minutes passed......

Several tourists left after paying cash, but Gu Chen's mobile phone network still didn't work.

Gu Chen's face was not very good-looking, thinking that he had taken the initiative to buy water just now, but he was going to disappoint Master Nie, and he felt a little embarrassed in his heart.

"Isn't the Internet still working?" the little boy also looked at Gu Chen in embarrassment.

"Hmm. Gu Chen nodded, and said, "Can you do this, kid, I'll take a picture of your payment QR code first, and then pay you when I finish watching the performance and go to a place with a strong signal, can you see it?"

The little boy hesitated a little, scratched the back of his head, stared at Gu Chen for a while, and then said, "That's okay, I think you look like a good person, you shouldn't cheat the child, then you can shoot it first, and then pay me when there is a signal." ”

"Thank you, little friend. Gu Chen was also very surprised, he just said it casually, and he didn't take it seriously, but he didn't expect the little boy to agree.

"There should always be some trust between people, that's what my dad told me. The little boy said.

Gu Chen smiled and touched his little head and asked, "What about your father?"

"He's selling water in another place. The little boy also smiled at Gu Chen.

Gu Chen looked left and right, trying to find an adult, but the little boy said again: "He is not selling here, you can't find him." ”

"Oh well. Gu Chen took out his mobile phone, took a picture of the WeChat QR code, and said, "I will definitely give you this money, so I will take these 5 bottles of water?"

"Uh-huh. The little boy nodded affirmatively.

The two exchanged a few words and left.

Soon, Gu Chen walked through the vast crowd and finally met at the place agreed by everyone.

"Brother Gu Chen. Nie Xiaoyu spotted Gu Chen first, waved at Gu Chen, and said, "Here." ”

Gu Chen handed her the water casually, and said with a smile: "It's not easy to find water tonight, and the signal here is not good." ”

"I found out too. Lu Weiwei also raised her mobile phone to debug left and right, and said: "I asked Xiaoyu to help me take a few beautiful photos, but the circle of friends has not been successfully sent yet, why is the signal so bad today?"

"That's a lot of people. Officer Wang took the mineral water handed by Gu Chen and said, "The mobile base station here was dismantled and repaired some time ago, and today you look at how many people are here, can the signal be good?"

"If you can't take photos when you come to the scene, you can't send them to the circle of friends, so does such a fireworks show still have a soul?" Lu Weiwei adjusted the angle again, and suddenly said in surprise: "Eh? It's okay, it's okay, it's finally sent out." ”

"Huh. Officer Wang couldn't help but laugh twice and said, "You came here to take pictures?"

"Aren't you?" Lu Weiwei looked at Officer Wang, and said directly: "Lao Wang, don't forget tonight's task, when the fireworks show is held, shoot carefully, sister-in-law's 40-meter-long knife can always be held in her hand." ”

"Huh. Officer Wang said again: "I said Lu Weiwei, this ancient woman can recite poems and fight against her, but why do women now only do it?"

"Today's women not only recite poems, but also are both civil and military. Lu Weiwei added coldly, firmly occupying the high-pressure situation against Comrade Wang.

......