I don't know when the icon of a blue shield came into people's field of vision, this icon is so eye-catching, he has been remembered for a long time, but it seems to be the first time to see it.

This is a symbol that can be seen in the center of Bozeman's city, which represents survival and represents the starting point of humanity's victory over disaster.

"Backwards, we need to move the flag, and the security zone is expanded by two meters again, which is a victory for our entire humanity. A guy in a down jacket yelled loudly.

In front of him, a foul air was constantly merging, and the two air currents were entangled to form a barrier, and the turbid air and the clean air fought to form a buffer zone.

Behind this buffer zone is the territory occupied by humans.

Although the air here is not very good, it is still enough for people to live, which is equivalent to a heavily polluted city, but it can live.

Human beings have such low requirements for survival.

And the closer you are to the center of the city, where the Super Air Purifier Factory is located, the better the air will be.

The guys in down jackets are still yelling loudly around the perimeter, telling others that it is now possible to live here, and the area where humans live is larger.

The distance of two meters is in the periphery of the kilometer in diameter, which is a considerable area, and the spread of the safe area takes more time and strength, this is a game, the air that can be purified by the sea scuba is a drop in the bucket compared to the supervolcano in Yellowstone Park that is causing disaster, but in the face of the disaster that rushes in this direction, it seems to be evenly matched, and it is a constant stalemate.

It's just that at this time, it's not just Si Fan who is a human being, there is a human breath here.

On the street near the park, you can see people wearing masks, wearing thick masks, holding water pipes in their hands, spraying water on the streets.

The clear water met the mountain of volcanic ash on the ground and immediately began to mud.

It doesn't matter, the underground pipes are ready to be discarded.

There was an old man in the crowd with his wife, his wife behind him was spraying water with a hose in both hands, and the man in front of him used another pipe like a vacuum cleaner to suck up the ash mixed with a lot of water.

Behind them are cars waiting to buy the volcanic ash in their hands.

That's right, in order to mobilize enthusiasm, not only Skynet Group, the United States officials are even more crazy, they take out the previous rice gold panning skills, and even more intensified, volcanic ash purchase at a high price, as long as it can be cleaned up in the safe area, it will be acquired, and provide transportation channels, all roads and railways are being dredged, try to make the roads smooth, especially the railways.

When a specially modified train passes through the railway, the route is considered completely passable.

The trains are all simply modified, and it is easy to rush out of a road on the railway, after all, the volcanic ash is soft, and this is how they rushed over the road in the first place.

When the transportation problem is solved, everything seems to fall into place, a large amount of volcanic ash is purchased by the United States official with treasury funds, although the price is very cheap, but for people in some countries, it is a lot, eight hours a day can harvest three hundred dollars of volcanic ash, this number will slowly increase.

Countless people from poor countries are starting to want to do this job, and what's even crazier is that when you work here, you are contributing to the United States, and they promise to grant green cards to some people at the end of the day.

It's crazy.,I don't know how many people want to join them and have no way.,Now there's a chance.,Although it's not justifiably enjoying all the treatment of the United States.,But after all, you can work in this hot land, isn't it?

And the country itself needs more people, and they will have to rebuild after the disaster in the future, which requires a large number of people.

Everything seemed to be going according to plan, and in the crowd, the old man wearing a heavy mask happily sucked in all the muddy volcanic ash through a tube, and gradually filled a huge jar.

That's less than a tenth of a day's work, but having the tools means more work efficiency and less work.

The woman's huge hose was spewing out a lot of clean water.

Although this clear water is in quotation marks, because it is not drinking water, and it is not very clear.

After all, the location of the water source itself has been encroached upon by volcanic ash.

Thankfully, when the ash reaches the water, the heavier than the water will sink, the lighter will rise, and very little will remain in the middle of the water, and the water will flow, some of it will sink and some of it will follow to other places.

And so on, the water in the river is still quite clear, which was originally drinking water, but now there is some volcanic ash in it.

But it doesn't matter, now all the pipes will become industrial water, and the future use of drinking water is only afraid that the pipes will have to be rebuilt or thoroughly cleaned.

This is a rebirth for the United States.

Their 10 years of hard work will probably be in vain.

The locals of the United States who work here, no one feels that their ten years have been wasted, they can fight for their own lives on their own land, they feel very happy, they have their efforts to protect their homeland, the old guy seems to have forgotten his identity as a professor, and he is diligent like an old cowboy on the ranch.

Hard work, ants move mountains in action. After all, there is an effect, and the place where no new volcanic ash descends is like a rootless tree and a sourceless water, and there will be a day when it will dry up, and the ability of human beings to move mountains has now become particularly powerful through the development of industry, tools, and machinery.

The area with a high environmental index that is strong enough to be the core has been cleared in three days, and the area is spreading, and those sub-environmental index areas, moderately polluted areas are also being cleaned up, and the new amount of volcanic ash here is already in the stage of daily maintenance.

And the severe areas are nothing more than waking up every day with a thick layer of dust, but they still need to wear masks.

But gas masks are the only ones that need to be worn by those who work at the edge of the line every day.

Human beings are a very self-generating species, and Si Fan, who arranged the specific matters of this, felt it deeply.

The old guy who was in the city suddenly took his wife's water gun and quickly slammed it at a house, and the hearty laughter came.

"Hahahahaha! This is Old Bob's bakery, I have the key to Old Bob's shop here, how about we bake some bread and eat it?"