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Chapter 335 The Mohenju-Daro Great Bath Project

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    After the disappearance of the Houtian Clan, the heavy rainfall will not disappear. Generally speaking, after winter, the autumn water gradually disappears, but this year, when the flood peaks meet, the snow-covered mountains in the western sky begin to melt into rivers, and the big rivers are affected.  Disasters are more powerful than the great river, and a large amount of rainwater brought by the Houtian clan in the South China Sea is poured into the tributaries of the great river, so the rain area increases and the rainy period is prolonged, so the water level of all the tributaries suddenly rises sharply and pours into the great river in a short period of time.  , "rain flood" will occur.

    For example, this is like a traffic jam on the highway.

    "So there is a need for diversion, which I call flood diversion."

    Šu Zai told the great wizard carefully: "There is no way to do this. If the flood is not diverted, the flood will turn into prostitution, and the south will be wiped out."

    The great wizard is thinking, but he also knows that there is not much time for him to think carefully. This time, the wild land of Moss and Xunshan will be abandoned. After a fierce ideological struggle, the great wizard agreed Šu Zai's proposal.

    After all, he doesn't have any good ways to control the water.

    "If this flood can be managed, then as long as you can do it, the Xunshan clan will not have any problem losing a large area of ??land in the west of Shishihara."

    "So, if this flood diversion is over, shall we follow the example of the Central Plains in building dams?"

    The great wizard thinks this way, the law of blocking water can guarantee the safety of both sides of the river, otherwise everyone will no longer live in this homeland after years of floods, and just give up after living for tens of hundreds of years, or even thousands of years  ?

    A hundred years ago, everything was fine.

    "It's the celestial phenomenon, the celestial phenomenon has picked up."

    Šu Zai gives an answer.

    "The climate in the world is rising, so the mountains and snow in the western sky are shaking, the source of the flood is untied, more rivers appear, and the water level of the eastern rivers gradually rises."

    "This is one of the reasons, but it is also the most important reason. As the climate in the world warms up, the activities of the celestial phenomena will become more intense."

    Šu Zai said to the great wizard: "This is the result of my observation"

    This sentence is half-true and half-false. Of course, I thought of it. It is indeed possible to use this torrent event to complete the construction of "Chichen Itza". This thing is the square-headed pyramid of the Mayans.  The main purpose is the observation of astronomical phenomena and astronomy, which was completed in about 400 AD. Of course, it was later reduced to a place for worshiping and dancing great gods.

    "If building a dam, I don't recommend doing it so hastily."

    Šu Zai gave an answer that stunned the great wizard and all the wizards.

    "why not?"

    A wizard in Moss Field asked, and he didn't understand: "It is said that the water barrier method in the Central Plains has stabilized the big river for eight or nine years. The angry current of the big river is much smaller than that of the big river. We built a similar levee, just to defend the south.  Shiki Asahara, why not?"

    "Even if we can build Chongyong Fortress, can't we build a levee?"

    "Because the technology is not enough."

    Yan Zai explained: "The long embankment is mostly constructed of earth and rocks. It is impossible to resist the flood for a long time just because of this. However, with the increasingly intense weather activities today, the flood may only increase rather than decrease. Flood control is a long process.  Engineering is not something that we tribal leaders can accomplish with a pat on the head."

    "Many methods should be used at the same time. The method of blocking water should be a way to buy time, not a way of avoiding for peace of mind. The more you flee, the more the flood will flow to you. If the dam is not enough  If it is strong, then when the levee breaks, the power of the water will be several times greater than in the river."

    "Therefore, dams need to be repaired, but they should not be repaired hastily. If they are built rashly, they will cause more damage in the end."

    "There must be a levee, there must be a dam, there must be a flood diversion area, and there must be a water gate."

    The wizards looked at each other, and someone asked: "That means, the method of blocking water is really useful."

    Yan Zai nodded: "Of course it is useful, even if it is directly blocking the water, it is useful, it just depends on how it is used. Blocking should be used on the edge of Daze, the big lake, where the water is easy to overflow, build a large  Dam, to raise the water level that the lake can carry"

    "The temper of the big river is better than that of the big river, and the torrents are mostly rain floods, so we can block the water, release the flood, store it, dredge the water flow, clean up the river there are some things we can't do, we can only wait for more powerful people to help  .¡±

    "But there are some things we can do."

    "If you only block the water and don't vent it, the water will use the embankment as a point of leverage instead, and its potential energy will not be divided.?, so the water accelerated here one after another, and the movement became louder and louder. In the end, perhaps the Great Southeastern Wilderness suffered first, and then we.  "

    "And the embankment burst, the important problem is the bottom, the pressure of the water here no, the force of the water is many times stronger than the surface, the bottom of the embankment can't bear it, so the breach is like cutting down a tree,  No matter how strong a tree is, if its roots are completely excavated, even if it enters the sky, like a large tree, it will be dumped on the bank of the East China Sea."

    "Besides, the higher the embankment is, the greater the force of the water below it will be, and the roar of the river will be greater, so the greater the risk of the embankment collapsing!"

    Everyone listened to what I said here, and probably understood the crux of the problem, and such a huge project is indeed much more troublesome than Chongyong Fortress!

    And Yu Zai also knows that flood control projects must be built, so except for the weather station

    Spectacular, Mohenju-daro bath +1!

    ¡¾Riverside floodplain cells with large baths are protected from flooding.  Each time the flood damage is mitigated, the faith value produced by the floodplain cells belonging to this city is +1.  ¡¿

    This thing is the most practical super large flood storage project in ancient times!

    Grab other people's miracles, so that others have no miracles to grab, Ah Hong, I want to grab miracles!

    However, there is one more thing to say in front of Yanzai.

    "If the land in the south is flooded, a lot of arable land may not be available"

    However, before the words were finished, the great wizard interrupted the concubine.

    "Let's treat it first! When the arable land is gone, reclaim it!"

    The great wizard made a decision, and immediately ordered all the tribes in the northern part of Shiki Asahara to evacuate from here.

    Mossy Field, as well as the wizards in the northeast of Shiki Asahara, and even the wizards living in the northern and central areas of Daze, went back nervously. From now on, the tribes will evacuate here completely, and the great wizard ordered the central area  The tribes have to accept the refugees and distribute the land they used to migrate to the tribes who moved there.

    Before plows, ox plowing, and composting and retting appeared, most of the southern tribes were slash-and-burn, or fire-plowing and water-draining, even tribes in many places in the Central Plains were like this, such as the Huaishui River where the Chifang family lived  Nearby, the phrase "Harada always seeks to abandon the old and create a new one" is the best description of the tribe's search for new land.

    Therefore, each tribe has at least one or two relocated lands. They moved here, and when the original land regained its fertility and could be cultivated well, they had to relocate back. But now, everyone no longer moves, and those lands also  It became a spare land and was reclaimed.

    "This time it is a catastrophe for the South, and we must tide over it together."

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