There are many 鲧 in ancient Chinese literature、Yu Zhucheng to record flood prevention。For example, Volume Twenty -four quoted "Wu Yue Chunqiu" Volume 24 said: "Yao Listen to the words of Siyue，Repair water。鲧 ‘‘ Emperor ’s natural disaster，Jue Li is not recreational '。Nai Building City Create Guo，Think of the Guo Guo "; and" Tongzhi "contains:" Yao Fengyu is Chong Bo，Make it water，Nai Xingdi，As the City of Nine Blade "; In addition," Taiping Huanyu Ji "Volume a Qiu County" Period City "note quoted" Xia Yu Lishui "，Yongqiu County's "Feiyang City" strip is referred to as "when Yu Zhihong floods，Built in the Yang of Fatze "。Most scholars in the past think，These records are legend，Do not believe it，Or the main purpose of building a city is military defense。But，Archaeological data display in recent years，鲧、The Longshan period where Yu is located does have the phenomenon of defending floods by building a city。

Water is the foundation of human survival，Ancient ancestors often chose to settle in places closer to the water source。As "Tuzi · Ride Horse" said: "Fanli Guodu，Not under the mountains，must be Bet365 lotto review above Guangchuan，Height without drought and water use feet，Under the water without near the water。"" "There is no near the water and the ditch to prevent the province" here，It is said that although the location of the ancients should be near the water source，But it can’t be too close to the water source，If you are slightly different at a distance，Even if you don’t take any means，It can also achieve the purpose of flood control。But what needs to be pointed out is，This simple way can only defend the floods that are not too large in scale，For those fierce large flood disasters，Only in this way is not enough。

Display of the results of scientific research on natural environment，About 8500-3000 years ago，my country's climate is in the new period of the new world。​​The overall climate of the new period of the new world is warmer than modern times，But there are many climate fluctuations and severe cooling events。Especially 5000 years ago，Climate change is particularly frequent，As a result of the abnormality of flood disasters。Correspondingly，Central Plains of my country、North China Plain、The middle reaches of the Yangtze River、Taihu Lake and other areas do have records of floods。"Shang Shu · Yao Dian", "Mencius · Teng Wen Gong Shang", "Book of Songs, Shang Song · Long Hair", "Huainanzi bet365 Play online games · Scripture", "Shan Hai Jing · Ji Jing", "Historical Records of Xia Benji"，Yao、Shun、Records of floods during the Yu period，It can be seen that the influence of this flood at the time was quite profound。

In front of the huge flood crisis，Ancient ancestors spontaneously united，Building the city wall through ramming、Digging trenches to build a city site，With this to resist the invasion of the flood。Take the Longshan Cultural City site in the Central Plains as an example。Xinzhai Site is located in Xinzhai Village, Liuzhai Town, 18.6 kilometers southeast of Xinmi City, Henan Province，The southern part of the site has Shuangyu River flowing through the west and east。To prevent the flood from invading the settlement，Xinzhai ancestors combined with the site northwest high、Low terrain in the southeast，north of the site、East、Digging triple trench，Connected to the Shuangtu River in the south、Natural rushing gap jointly forms a flood prevention system。This is here，Not only can the flood be directed from a high place，Finally introduced the Shuangtang River in the southeast, the old river and natural rushing gap，It can also prevent the risk of flood pouring in the flood pour when the ancient river is flood。At the same time，Xinzhai ancestors also use the rammed soil relics built by obliquely stacked to bet365 best casino games strengthen the inner wall of the trench，To prevent collapse in the flooding violent impact。The flood control system of Xinzhai site follows the law of water flow，It can be said to be very scientific。

Xijincheng Site is located in Xijincheng Village, Jincheng Township, Boai County, Jiaozuo City, Henan Province。Studies show，The plane of the city's site is not very regular rounded square，It can reduce the impact when the flood invasion，The purpose of achieving a stable wall。Another，Xijincheng City Wall is piled up from the outside to the inside，Can increase the score angle of the city wall，Blocking the flood to the corner of the city wall。At the same time，There are two trenches on the outside of the city wall，Among them, the groove wall of the south wall trench is more straight，It is likely to be artificially trimmed drainage groove。These two trenches converge at the outside of the southeast corner of the city site，Forms a larger paddy depression，After continuing to drain south，Leave the site，It plays the role of drainage。The above -mentioned many flood control elements description，The ancestors of Xijincheng are planning、Design、When building the city site，Fully considers the flood control function of the city site。

It is worth noting that it is，The ancient city wall of the Xubao City bet365 live casino games site of Jiaozuo City, which is only 10 kilometers away from the site of Xijin City, also found that there is a phenomenon that washed by floods。This can't help but make us guess，At that time, a regional flood incident was likely to occur in Jiaozuo area，Cause multiple sites to be affected，Bring a serious threat to people's lives at the time。Studies show，The West City Wall of the Xubao City site of Wenxian County is composed of a combination of the main rammed soil city wall and the slope of the inner and outer slope。The stability of the city wall of this "main wall+inner and outer slope protection" structure is strong，It is conducive to the defense of the city，The disadvantage is not conducive to military defense。

Except the above three cities，Ringhong of the Haojiatai site in the Central Plains area、Construction of facilities such as city walls and the development process of settlement in the city，It should also be directly related to the water affected at that time。Another example，Dengfeng Wangchenggang City site has a close contact with the flood，Mengzhuang City site in Huixian is destroyed by floods，The west wall of the city of Xinmi Ancient City is destroyed by the water water，The north wall of the Pucheng Store site of Pingdingshan was destroyed by Zhanhe。At the same time，From the bet365 live casino games information released currently，The location of the city is in terms of house buildings and tombs，There is no obvious level difference，The unearthed relics are also based on daily necessities and basic production tools，Low living standards for residents in the city，Political and military functions are generally weaker。

This can be seen，The purpose of the construction of the Longshan Cultural City site in the Central Plains area is mainly to resist the flood，This is 鲧 鲧 recorded in ancient Chinese literature、Yu Zhucheng's legend to prevent floods is in line with。It is worth noting that，The ancients built the city wall、Digging trenches to prevent flood prevention，At the same time, it can play the effect of protecting the personal safety of residents in the city，This can be proved from later generations such as the construction of the city walls of the Taizhou Prefecture of Linhai。In fact，time to this day，鲧、Yu Zhucheng to prevent the scientific construction of our modern flood prevention system in order to prevent the flood of the flood，still has certain guidance significance，Many of the scientific factors，It is worthy of our in -depth excavation and reference。

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