Chen Yin, Jack, and Vanessa spent two days sewing five sets of warm clothes from the skins of the hunted monsters, and Nunu was also very proficient in making leather jackets, and he also helped a lot during this time. Pen "Fun" Pavilion www.biquge.info

In addition, since the burning gems in the snowman Willamp now occur on average every 2 hours, each time for about 15 minutes, during which Willamp can only hum on his stomach, in order to make it easier to walk, everyone also used the remaining fur and two huge tree branches to make a stretcher for Willampu, so that Chen Yin and Jack can carry it to continue its journey when it becomes ill.

Anne was very depressed when she had nothing to do, and she spent more time chatting with the equally boring snowman Willamp, although she was just talking and Willumpu listening, but Anne was still happy, knowing that she also had a non-human friend Tybbs, so Anne was mostly telling Willump stories about Timbers, and Anne promised Willumpu that when he got better, he would introduce Timbers to him as a friend.

When everyone changed the winter clothes they had made, it was time to continue their departure. Everyone habitually looked at Chen Yin collectively, but Chen Yin looked at Nunu at this time.

Later, Chen Yin asked, "Nunu, the purpose of our trip was originally to cross the Iron Ridge Mountains, bypass the extremely cold northern wall, and then reach the coastal area near the northernmost point of the Pittover Federation, and finally return to the interior of Valoran by boat. But before we do it again, let's see if we can help you find a cure for Willamp, do you know where there are active or dormant volcanoes on our way? ”

Nunu was stunned for a moment, and then shook his head a little dazedly, when Chen Yin asked this question, he forgot to consider Nunu's age, Nunu is only 6 years old this year, only two years older than Anne, so that a 6-year-old child can understand what is called an active volcano, an extinct volcano, a dormant volcano This professional concept is simply unimaginable.

Chen Yin also instantly understood that the way he asked was wrong, so he changed the way he asked and said, "Then do you know which mountain peak has a circular inward depression on the road we are traveling, or which mountain has a circular volcanic lake at the top??" ”

As he spoke, Chen Yin found a branch and drew a figure on the ground.

Nunu glanced at the shape of the mountain peak and the mouth of the peak, thought quietly for a while, and then jumped happily and said, "I thought of it!" I've got it!!! The shape of a mountain that Weirumpu and I climbed three months ago is the shape of the mountain you painted, there is no peak, it is also a circular depression, about 800-1000 meters long, but it is not a lake, it is a thick layer of ice. ”

Nunu's statement made Chen Yin frown, "Is it a frozen crater lake??" It's weird......"

Jack on the side asked, "Brother Mo Yan, have you thought of any questions?" Also, I know volcanoes, and I've seen crater lakes before, but what are active volcanoes and dormant volcanoes? ”

Hearing Jack asking this question, Anne nodded excitedly with her hands clenched into small fists beside her, in fact, she was a curious baby who had wanted to ask questions for a long time, but Chen Yin had been talking about business, which made her embarrassed to speak.

After thinking about it, Chen Yin said, "I have some knowledge about volcanoes in my memory, and I can tell you a little about it." ”

Chen Yin had read all the books on the 5th floor of the library at the War College, covering everything, so he was called a "talking encyclopedia" by other students, the knowledge of volcanoes was really too simple for Chen Yin, but for everyone in front of him, this was a very "high" knowledge system. Therefore, everyone sat around Chen Yin very seriously, and when they saw that everyone sat down, Chen Yin also sat down and began to speak.

"Volcanoes are a common geological phenomenon in the earth. Between 100 and 150 kilometers below the Earth's crust, there is a "liquid zone" in which molten silicates containing gaseous volatiles, known as magma, are present at high temperatures and pressures. Once it rushes out of the surface of the earth from a weak part of the earth's crust, a volcano is formed, and this situation of ejecting out of the ground is generally called a volcanic eruption.

In addition, volcanoes are divided into three categories: "active volcanoes", "extinct volcanoes", and "dormant volcanoes".

As the history of volcanic emergence is very long. Some volcanoes erupted tens or hundreds of thousands of years ago before human history, but are no longer active, such volcanoes are called "extinct volcanoes"; Volcanoes that have erupted in history, but have been in a relatively stationary state for hundreds or even thousands of years, such volcanoes have preserved intact volcanic cone morphology and still have volcanic activity ability, or it cannot be concluded that they have lost their volcanic eruption ability, and people call them "dormant volcanoes"; In the history of human beings, volcanoes that erupt occasionally every few tens or even hundreds of years are called "active volcanoes".

Volcanic eruptions can eject a variety of materials, and due to the violent eruption of the volcano, the magma chamber deep below the crater is hollowed out, unable to support the gravity of the mountain above, causing part of the volcanic cone centered on the crater to collapse downward, causing a huge annular caldera. Then, due to the rain, the snow melted from the glacier at the top of the mountain collects into the crater and gathers into a lake on the top of the mountain. These lakes are called crater lakes or crater lakes.

These lakes are very interesting. If the volcano is dormant or dead, the lake will be so clear that it can be used as drinking water. For example, the huge rocky peak crater lake in the middle of the magnificent barrier is an important source of water for the surrounding living groups, including the Rakol tribe and the Stampa tribe.

And if the volcano is semi-dormant, the bottom of the lake, the crater, releases all kinds of acidic gases. The water that causes the crater lake is strongly acidic and has different colors. However, whether it is a dormant volcano, a semi-dormant volcano, or even an extinct volcano, as long as a crater lake is formed, it rarely freezes, and the crater lake will basically remain in a liquid state regardless of spring, summer, autumn and winter. So, the frozen volcanic lake that Nunu said he had seen was a little strange to me, and maybe I would know exactly what caused it when I got there. ”

Although there are many professional terms in Chen Yin's story that people don't understand, everyone still listens to them with relish. Anne looked at Chen Yin with admiration and said, "Brother Mo Yan, you are so powerful, how do you know everything??" If I had known this, I should have let Sister Vanessa and Brother Jack go hunting, and I would have asked you to tell me all kinds of stories every day in the next few days!! ”

Vanessa also looked at Chen Yin with admiration, but when Annie said this, three black lines immediately appeared on her head, and then Vanessa pinched Annie's fleshy face with both hands, kept pulling and said fiercely, "Little Annie, what do you mean??" The story I've been telling you these days makes you feel very boring, right? ”

Anne shook her head again and again under Vanessa's coercion, and everyone laughed when she looked at little Anne's embarrassed expression.

Eventually, when everyone confirmed their destination, Nunu and the snowman Willampu were in the lead, and everyone followed in the direction of the crater lake that Nunu had mentioned.

After more than ten days of trekking through mountains and rivers and sleeping in the open, the crowd approached the edge of the volcanic lake that Nunu had mentioned.

Chen Yin stood on the top of a mountain peak, looking at the volcano in the distance, only to see that the mountain was majestic and magnificent, the mountain pass was covered with snow, and the clouds at the top of the mountain were like layers of thin veil covering the peak tip, so that Chen Yin suddenly remembered a poem, which is the most appropriate to describe this spectacular volcano in front of him at this moment.

So, Chen Yin read it out with emotion, "Cyclamen come to the top of the clouds, and the dragon inhabits the old cave in the abyss." The snow is like a stalk, the smoke is like a handle, and the white fan hangs upside down in the East China Sea. (To be continued.) )