The walls of Qingya City do not have city gates, and the traffic connection with the outside of the city must be carried out through several well-defended underground tunnels. The length of the tunnel is about three kilometers. Although the lights are on inside, the light also appears dim. After the car drove out of the tunnel, Ling Li found that the trees on both sides of the road looked very tall, and even the wheat ears in the wheat fields were twice as big as he remembered.

Within more than 20 kilometers of the security area around the outer wall of Qingya City, there are cultivated fields, and some farmers can be seen working in the fields. Among those fields, there are some pioneering and sheltering villages. Every distance, there will be a military facility like a bunker to provide security for these working civilians. Outside the city, humans may be attacked by dangerous creatures at any time.

Before entering the city, Ling Li and his family lived in such a pioneering village outside the city.

I feel that it is shallow on paper. Although I have learned the knowledge of the plants growing after the catastrophe in books and have seen many pictures, I still feel very shocked when I witnessed the real thing with my own eyes...

The car only drove along the highway for more than ten kilometers and stopped outside a military fortress outside the city.

"Everyone gets out of the car and gather!" Yuan Sheng's loud voice rang outside the car.

Frightened by the teaching stick in the hand of "Yuan Pai Pi", the students quickly carried their luggage and jumped out of the car as soon as possible after hearing the sound, then found their class, carried their luggage and lined up neatly.

"Our field training camp this time is located in the northeast of Qingya City. The distance is 45 kilometers, and it is more than 30 kilometers away from the boxy gorge. Everyone must walk over and march with loads. This is also one of the basic requirements for field training." Yuan Sheng said with an expression.

The distance of more than 30 kilometers is not particularly difficult for a teenager with an average load of 20 kilograms. After all, in this world where all people practice martial arts, everyone's physical fitness is relatively strong.

In the Fifth Middle School, in addition to the "Yuan Pai Pi" who led the team, there are twelve teachers to ensure the safety of students in the wild. These teachers are of intermediate warriors or above, and there are actually five female teachers.

Those who traveled with No. 5 Middle School were also guarded by nearly forty middle and high-level warrior teachers from No. 7 Middle School and No. 9 Middle School, and even in the army, they were considered a very strong team.

The team walked more than ten kilometers, and there was no sight in front of the farmland and pioneer villages and towns, and the road ended here. However, after leaving the road, there was still a winding and winding road, about a car of dirt road, which seemed to be pressed out by pioneer vehicles heading out to the wild.

Later, Ling Li realized that this was a road leading to the Shanli Mining Area.

After leaving the scope of the pioneer area, there was a primitive and vast scenery in front of me. Shortly after leaving the road, a team of nearly 2,000 students entered the periphery of Daqing Mountain. There were still many traces of civilization before the catastrophe. For example, from a distance, I saw a large black "1" character on one steep mountain. When I got closer, I looked carefully and found that it was a piece of asphalt road before the catastrophe that remained after the break.

The catastrophe has a huge impact on the surface of the Red Flame Continent. The surface of the earth's crust has undergone severe uplifts and collapses, which is also one of the main reasons for the near-extinction of humans. In addition, the so-called "spiritual energy" in the air replaces oxygen. Strangely, the organisms on the Red Flame Continent adapt to the process of regal energy replacing oxygen. According to records, only a small number of humans died because they were not adapted to the new environment.

As the oxygen gradually became thinner, in the early stages of the catastrophe, for nearly fifty years, the surviving humans lived a primitive life of eating raw meat and drinking blood. Later, humans discovered a new way of ignition based on the fire element in the so-called "spiritual energy".

Being able to control the use of flames and manufacturing tools is the biggest difference between humans and other species.

The wilderness is not desolate. On the contrary, the vegetation has not been destroyed by humans, and has grown taller and more lush under the transformation of new "spiritual power". Looking around, the mountains on both sides of the road are full of lush and primitive scenery and dense woods. This is also a good thing. The grain output per mu of field is more than three times that of the past. This is also a major reason why Qingyacheng can feed nearly 800,000 people by relying on farmland within less than 30 kilometers around.

There was no accident during the march. The dangerous beasts in the training area were cleaned up by the city guards before the students came. Such a large group of people had already scared some beasts and avoided them from afar.

At first, the students still marched with laughter, but when they reached ten kilometers, as their physical fatigue increased, most of them lost their minds to speak and were only concerned about rushing to the road. The atmosphere of the team gradually became dull. As the weeds and woods on both sides of the road became more and more lush, the team entered the undulating hills outside the Daqing Mountains.

The physical fitness of humans on the Chiyan Continent is incomparable to that of the humans on the Blue Star in my memory. It takes more than 30 kilometers to travel all the way. These sixteen- and seven-year-old young students walked all the way and completed the entire journey in just over three hours. Near noon, everyone climbed over several continuous hillsides, and there was a large open valley in front of them. Between the green grassy meadows, some woods mixed with it, and a small river meandered through the valley, dividing the pasture into two.

On the hillside, about three kilometers away from the entrance of the valley, is a wild campground made of logs and even a dozen houses built of wood.

However, the wild camp built by the pioneers was obviously occupied by a group of teachers and students who arrived early, and four guards were arranged outside the gate. Ling Li was surprised to find that in the hands of the four guards, they were actually holding the source energy rifle.

Due to the earth's rules of heaven and earth's total change, the kind of explosion still provided kinetic energy before the catastrophe, and the thermal weapons that launched the warheads lost their effectiveness. Because the fire element contained in the world is low, so far, humans have not discovered or synthesized chemicals that can produce detonation.

The guns, cannons, and even missiles before the catastrophe still exist only in historical records and legends.

However, human desire for thermal weapons has allowed many scientists to work together to study the powerful source energy cannons using source energy crystals as power. This type of cannon relies on source energy crystals to provide kinetic energy to launch a warhead, and the principle is somewhat similar to the "electromagnetic cannon" on the Blue Star.

It is precisely because of the emergence of this source-energy artillery that humans gradually gained a foothold in competing with various powerful alien and mutant species, returning to the surface of the planet to live and survive.

Humans gradually conducted miniaturization research based on the principle of source energy artillery, which led to the source energy rifle. However, because the source energy crystals are very rare and expensive, this source energy rifle, which is much more powerful than crossbows, only some equipment is available in some elite troops.
Chapter completed!