If civilization disappears, in what direction will the environment inside the planet evolve
Someone once made the assumption that all human beings suddenly disappeared.
A few hours after humans disappear, the power supply will gradually be cut off, and the first to be cut off will be the thermal power plants that have the most frequent fuel demand. As a result, when the first night falls after humans disappear, some areas that were once inhabited by humans will return to the lighting of the stars and the moon in prehistoric times.
A few days after humans disappear, subway tunnels in some coastal cities will be flooded due to the cessation of drainage equipment.
Within a week of the disappearance of humans, disasters will occur in nuclear reactors around the world. The diesel engines of the nuclear reactor cooling systems will all stop working due to the loss of fuel supply. Nuclear reactors will burn, melt or even explode one after another due to overheating. Hundreds of Chernobyl-style nuclear leak disasters will occur simultaneously on the earth, and large amounts of radioactive materials will be released into the air, rivers and oceans.
The ultimate impact of the nuclear leak on animals and plants is still unknown, but to the surprise of many people, plants and animals have flourished at the site of the Chernobyl nuclear disaster, and wildlife are not concerned about the problem of nuclear radiation.
A few weeks after humans disappear, most of the animals captive by humans have starved to death. Those lucky enough to escape the "cage" will go out to look for food, returning to the natural competition of prehistoric times.
A few months after humans disappear, wild animals will cross the "red line" and invade cities, competing with the animals in the city for "the world".
A few years after humans disappear, the roads will be broken one after another, and plants will tenaciously grow out of the cracks and gradually cover the roads.
Decades after humans disappear, the roofs of houses will collapse one after another; some large buildings built in coastal areas and prone to flooding, such as the Oriental Pearl TV Tower in Shanghai, will collapse as a whole due to rotting foundations; and spacecraft in low orbits will also fall one after another.
Hundreds of years after humans disappear, almost all large buildings will no longer exist and will gradually be covered by loose soil and vegetation.
And city skyscrapers built of glass and steel will collapse within 200 years.
Brick, stone, and concrete houses will last longer, but will collapse after 1,000 years. Bridges may last 200 years if there are no earthquakes, but even the world's largest arch bridge will eventually collapse after 1,000 years.
Within 250 years, all the dams built by humans will collapse.
The heavy metal pollution left by humans will gradually be diluted after hundreds of years.
Although the lifespan of radioactive materials such as nuclear waste can last for 2 million years, in such a vast land, no one would associate them with humans.
In fact, if humans disappeared from the Earth 200,000 years later, it would be difficult to find evidence that humans ever lived.
Only radioactive materials and a few man-made chemical pollutants will last longer - they are humanity's invisible legacy.
After humans disappear from the earth, almost all the remains of human civilization will disappear within 20,000 years. After 50,000 years, all human remains on the earth will become archaeological clues that are difficult to trace, because glass and plastic will all disappear.
However, man-made chemical pollutants will also disintegrate within 200,000 years, making it impossible to find any detectable "human products" on Earth.
Of course, if buried under geological layers, it might become a prehistoric relic that would amaze intelligent life in the next era.
So, except for the moon in the sky that is suspected to be an artificial celestial body, everything on the ground may have been completely disappeared.
Turned into nothingness.
It really is too long ago.
High-tech creations will also be oxidized into an unknown mass.
However, this is thinking based on human technology, which is extremely narrow-minded. We must know that this world is an ecosystem created by an unimaginably developed civilization.
And it’s just an ecosystem.
Everything is possible.
But my strength is still too weak, I can’t reach the moon!
As the masterminds behind the incident, Yi Xiaochuan and Wang Chao spent seven days completely destroying the Swamp Tribe. After the cunning tribal elder was shot in the head by Xiao Yi, the Swamp Tribe completely disappeared from the history of the Lizardmen.
He successfully helped Gugar ascend the throne and firmly sat on the throne of the elder of the Shuiwan tribe.
In fact, after this battle, there were only a few dozen adult male lizardmen left in the two tribes combined, and the only awakened one left was Gugar. Even though they captured a large number of women and children from the Swamp Tribe, they could hardly pose much threat to Xiao Yi and his group.
The puppet regime was initially established.
Even if Gugal rebels, as long as six Gatling guns are set up at the entrance of the cave, one man can block the passage of ten thousand.
Of course, there are other tribes hundreds of miles away, but crossing the primeval forest full of terrifying prehistoric creatures is quite difficult, so we don’t need to consider it for the time being.
With the help of the Liu couple and Gugar, Xiao Yi secretly collected a lot of treasures from the two tribes. There were no high-tech artifacts, not even metal artifacts, only some energy crystals and bone tools.
According to Gugal, energy crystals did not exist before. Suddenly one day, the gods gave the lizardmen powerful strength, which was probably equivalent to the revival of the earth's spiritual energy. At almost the same time, these gem-like crystals appeared in the bodies of those powerful creatures.
Crystals are beautiful. They are used for decoration, inlaid on scepters, and hung around necks. In fact, they have no function at all and are just decorations.
The staff that Xiao Yi got before actually just looked like a staff, but the elder who was shot in the head used it to hold a pen.
However, Gurga said that the front head often ground these crystals into powder and swallowed them.
It is difficult to determine whether it is effective.
"It's a pity that the base system failed to restart, otherwise we would have gained a huge reward, that moon..."
Yi Xiaochuan felt it was a great pity. He didn't know when he would enter this prehistoric world again. He hoped that he would be able to gain a lot by then, not just these energy crystals.
However, these energy crystals are already a huge harvest.
Xiao Yi took out a crystal the size of a fingernail. In an instant, Xiao Yi seemed to have transformed into a golden toad. This energy crystal was the full moon.
As soon as he opened his mouth and inhaled, the crystal immediately emitted a thick white gas, which went down the throat into the abdomen, then into the dantian, and then dispersed into the limbs and meridians. The feeling was very unique and very clear.
Absorb 3 points of energy!
"Sure enough, this energy solidified into crystals can assist in cultivation and can be absorbed by the system. In addition to the part given to the country, I kept most of it. If I absorb all of it, it will be at least hundreds or thousands of points of energy... That's enough. Next time I come, I want to go to the sky and the moon..."
Xiao Yi put the already somewhat translucent crystal into his pocket, kept most of the supplies and ammunition, and prepared to leave.
The strange force that traveled through the wormhole finally disappeared on the tenth day...