It was imperative to protect the glowworm cave. After Wang Bo blocked the entrance of the cave, he immediately arranged for Uncle Bing to contact a technology company to set up surveillance cameras at the entrance of the cave.
To protect this cave, you have to understand the cave. Porter is good at this. His construction company is not just a construction team, but also has experts in geological exploration and terrain research.
Just like gold mining exploration, experts also issued a report to report the specific conditions of the mine.
Porter brought it in person and handed a small notebook to Wang Bo. He sighed: "You are right, this cave is so beautiful that it is unimaginable. My guys and I were stunned when we first saw it. ”
Exploration caves must be inspected. Wang Bo approved that engineers can enter the cave, but they can only take test samples and come out for testing. They are not allowed to turn on lights or start work inside.
Wang Bo opened the report book and asked, "You guys are really fast."
It took more than ten days for the gold exploration report to come out, but this report only took two days.
Porter smiled: "Because we are professionals, but to be honest, I really want to stay in them for a few more days. They are so beautiful, especially when we went to get water, being on the water felt like we were in the stars."
At this point, he shook his head strangely: "I've seen the glowworm cave, why don't other caves have such amazing views?"
Wang Bo has been studying caves for the past two days. He knows the reason and said: "Because our cave has not been destroyed by external forces since its birth. It is completely original. What about other caves? Lights shine, flames bake, and even Trash is thrown in and they've been vandalized, badly vandalized."
This is why he protected it cautiously from the beginning. The first principle of environmental protection is that if you don't know how to protect it, don't touch it.
Next, Porter introduced him to the cave. To protect the mushroom flies, we must start by protecting their living environment.
"This cave is made of limestone, and like other limestone caves in New Zealand, it was formed by countless fossil remains of marine life."
"If you know the history of the North and South Islands of New Zealand, you will know that 30 million years ago this place was under the deep sea. In the following 24 million years, the area where the caves are located has undergone countless geological changes, such as crustal changes and Volcanic activity, etc., many hard limestones were distorted and brought to the sea level, and then eroded by rain, forming the current appearance of the cave."
"You know, the rain and the slightly acidic carbon dioxide in the air eroded over time, causing the rock cracks to gradually expand into stalactites and stalagmites, which is the scene of the Glowworm Cave we see today."
“According to the calculations of our experts, it takes about 100 years to form 3 cubic centimeters of stalactites. However, the formation speed of stalactites will also be affected by the topographic structure, plant function, limestone depth, internal and external environmental climate, and the number of years since the cave was formed. "
Wang Bo nodded and said: "It turns out that it takes so long to form stalactites in the cave!"
"Time is not the most important thing, the most important thing is some coincidences. For example, two stalactites side by side will form at different speeds due to different water flow paths, and then they will form some strange shapes together." Porter explained.
"Where is our cave?" Wang Bo asked.
"This cave is a very rare active rock cave. After testing rocks in different areas, through carbon 14 testing, it can be concluded that the cave was formed 15,000 years ago."
At this point, Porter said: "Oh, I forgot to tell you the most important news. The bottom of the cave is under the lake, and the top of it is the bottom of Lake Hawea. The water in the cave flows down from the lake. "
"My guys looked up the history of the terrain evolution in this area, and they estimate that there was originally a small lake here, which was adjacent to Lake Hawea but separated from it."
"This small lake was frozen at first. Later, due to climate changes, the ice and snow gradually receded and flowed into the cracks in the limestone rock below, gradually eroding into a cave."
"You won't believe that this cave is still very young. It will continue to expand. If no one intervenes, it may take another 10,000 or 20,000 years. Its top wall will eventually become very thin and cannot withstand the pressure of the lake water. Then Fragmented, the cave will eventually become part of Lake Hawea. This is why I just said that this cave is an active rock cave, and it still has life."
Wang Bodao: "Is the pressure on the top wall okay now? I don't care about ten thousand or twenty thousand years from now. What I care about is one or two years from now!"
"Because the scale of the survey was limited, we did not study every corner of the cave. We just used an echometer and a radiograph to roughly check. The pressure on the top wall is nothing compared to the stone wall, and there is no danger. "Potter laughed.
This puts Lao Wang at ease. Such a beautiful cave needs to become a pearl in the history of world scenery, but it cannot disappear in the long river of history without shining brightly.
The report that comes out now is just a rough report, and exploration will continue in the future. The cave tourism industry has very high requirements for exploration qualifications. Otherwise, if there is some problem and causes collapse, none of the tourists inside will be able to escape, and the whole pot will be ruined!
Subsequently, Wang Bo and Porter negotiated. The cave extended toward the lake, so it would not hinder the construction of a track around the lake. What he meant was that the track should continue to be built, but there would be no lanes here and bicycles and cars would not be allowed to enter.
Porter said that was no problem. He suggested building an all-timber track, which would be a track around the northeast side of the lake. After clearing weeds and laying a foundation, a layer of timber track would be laid on top.
Wood has excellent strength and vibration conductivity, so when people run and step on the floor, the impact force generated is spread by the wooden board, which can effectively reduce damage to a location on the ground.
The purpose of doing this is naturally to protect the cave.
Maybe the impact force of people's feet on the ground when running is not enough to affect the cave wall, but when many people run, resonance will occur. If the vibration wave is transmitted to the cave through the stone, it will affect the life of mushroom flies.
Mushroom fly larvae cling to stone walls to survive. They mainly rely on the vibrations produced by the silk webs they spit out to determine whether food is present, and then hunt for it.
Therefore, for them, vibration waves have a great impact. Once vibrations enter the cave, they will mistakenly think that there is food coming to the door and search for it, which consumes extra energy.
The preliminary construction plan was released, and Porter took the plan back for experts to conduct research and verification. Wang Bo's attitude towards the cave is: only if it can be protected can it be developed. If the protection cannot be determined, then it will not be developed! (.)