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Cooling is the biggest nemesis of smog.

What is smog made of? The answer is: fog and haze.

A large number of tiny water droplets or ice crystals suspended in the near-ground air form an aerosol system, and these water vapors suspended in the near-ground air condense, resulting in a decrease in air transparency, so that the horizontal visibility of the target is reduced to less than 1000 meters, which is called fog.

Haze, on the other hand, is a composition of particles in the air, such as dust, sulfuric acid, nitric acid, and organic hydrocarbons.

Combined, the two become an air killer.

It can be said that if these two exist alone, there is not much threat in fact. Without fog, a glue-like sol system, haze cannot exist on its own for long.

And without haze, which is composed of tiny particles that can be effectively warmed, the fog will not last long.

On the contrary, as long as the two are one, the smog can naturally dissipate invisibly. And now, the sudden drop in temperature has slowly dissipated the fog!

Before that, standing in any corner of the capital and looking around, it was as if a thin veil had been hazy in front of me, and everything was so ethereal and illusory.

In the haze, everything in the world seems to have a thin mosaic.

At 3:30 a.m., the mosaic began to fade gradually.

Originally, the haze was like a low-altitude dirty version of the sunset against the backdrop of countless street lamps, showing an oppressive halo in the sky above the capital.

But since 3:30 p.m., the distant streetscape has become clearer and clearer as time goes on. It's like a room with thick smoke and suddenly a range hood turned on. The haze began to fade.

Four twenty a.m.

Some citizens who went out earlier were pleasantly surprised to find that the originally gloomy and gray sky began to show a faint Mo Lan - that was the direction of the waning moon!

At five o'clock, there seemed to be a backlog of gray over the capital, and only a thin layer remained, pasted on the sky above the city.

At 5:40, people who got up for morning exercise were surprised to find that a waning moon and a morning star in the sky had been revealed!

Morning, six o'clock.

Lots of citizens were stunned when they opened their windows with hazy sleepy eyes, ready for a new, smog that had been the same as it had been for the past two weeks.

In the east, a hint of red light slowly rose. Through the clear blue sky, slowly spread to the earth!

Haze, gone!

At this time, they saw that the pieces of things like large hot air balloons above the capital were floating in the air like comfortable swimming fish underwater.

The cables, which are brilliant even in the daytime, divide the sky of the capital into one by one, making the scenery in front of you more beautiful and natural like a picture frame.

If it weren't for the huge Zhengxin LOGO on the belly of those "swimming fish", people would still think that they were still in a dream and had not woken up.

- It's so beautiful, it's like a dream!

This day, for many people in Beijing, is a day that they will never forget in this life.

……

On Beijing TV, the recording and broadcasting of the morning news has been busy.

The program that had been recorded last night was all overturned by the director, and the entire morning news was canceled except for some political content yesterday, and there was only one content left in almost the entire morning news;

The smog in the capital is gone!

"Good morning, citizens, friends, I wonder if you are in the same happy mood when you wake up this morning. ”

The morning news is a very topical program, and the usual tone is relatively relaxed. But the beautiful host's smile today is exceptionally sweet, and across the screen, she seems to feel that what she says has a sweet orange flavor.

"Maybe I don't need to say, everyone also feels that today's capital is exceptionally fresh, and the haze that has plagued the general public for more than two weeks disappeared without a trace last night. Friends who have been holding their breath for half a month, today I can finally breathe a breath of fresh air without ingredients."

"yes, I don't need to prompt you, maybe you in front of the TV have noticed the new friends in the sky over our city. In fact, in the early stage of the smog outbreak, the municipal party committee and the municipal government have already begun to contact Zhengxin Group, and strive to introduce the stratospheric power station into our city, officially because of the existence of these new friends, our city has radiated new vitality. And here to tell you a good news, stratospheric power stations can now meet the city's electricity and heating energy needs, more than a dozen coal power plants around the city have been completely shut down yesterday, leaving only a small number of power plants for backup emergency power supply. In this way, maybe from now on, the capital will say goodbye to the haze!"

The smile of the male host who is in charge of popular science and political correctness on the side is leaking teeth, and he still doesn't know it.

……

On this morning, every part of the capital has been scattered for more than half a month, and the crowd is once again crowded.

The school, which had been closed for nearly ten days, returned to normal.

Countless office workers quit their bicycles, which were already rusty, took off all kinds of masks, and ran to their units and companies in the face of the sun at eight or nine o'clock in the morning.

On the streets, traffic is still congested.

But the mood of the drivers is exceptionally good, compared to the horn every morning, the street is exceptionally quiet today.

Even the third ring that is blocked to the point of bursting is filled with a sense of rebirth. Countless drivers have opened windows that have not been opened for a long time, looking at the scenery outside the window, smiling, or whistling softly.

Countless people passing by on the street looked at each other and smiled, breathing in the cool, seemingly minty air under the clear blue sky.

Everything is so beautiful.

The headquarters of Jingcheng Zhengxin Group.

In the newly renovated headquarters, the employees are even more excited and delighted than the citizens who seem to have been reborn.

When I go to work in the morning, the Zhengxin LOGO on the stratospheric power station in the sky makes the hearts of every Zhengxin person extraordinarily bright.

A sentiment called pride has sprung up.

It was in such an emotion that Li Fanyu entered from the main gate, and under the eyes of the security guards, he walked all the way.

"Li Dong!"

"Good morning Dong Li!"

Li Fanyu met a pair of eyes that were almost adoring, and beckoned again and again.

While waving to the person who greeted him, he gave instructions to Wang Qiang beside him;

"What do you mean by Jinmen? Yesterday I sent them a case from the capital, why haven't you replied?"

"You go back and ask the sales department to send the image of the capital this morning to Hebei and Jinmen, so that they can see our results. ”

"Just tell them that the production capacity of the stratospheric power station is limited, and early this morning, a number of regions have confirmed to dock with us and study the switch plan, if it is decided in front of them, then even if they ask for goods, it will be three or five months and a half years later!"

"Tell the sales department that you don't have to be too polite to them when you communicate! We are so awesome now, when we should take the shelf, we have to pick it up! We must have confidence in the group, confidence understands! We are now a technical oligopoly, and we have to sell things hard! Do you understand!?"

Oh!

Inflation = Confidence,

I get it!

Wang Qiang, who stepped on the high heels with small steps, wrote it down seriously with a pen in her hand, and nodded heavily.

"Li Dong, I'll convey it immediately!"