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"The construction of Xinchang Mansion City began to brew soon after the successful implementation of the second phase of the Northern Expedition in the Ming and Zheng dynasties, and the original design was to serve as the capital of the future new empire, but it was only because of the flooding of the Huai River and other reasons that the original intention was finally changed, and finally formed a pattern of 100 square miles in a circumference of 40 miles."

"Although it did not become the capital of the Chinese Empire in the future, as the capital of Jianghuai Province, Xinchang Fucheng paid more attention to its political and economic role, so its city wall construction did not adopt the shape of Taixi fortress like the military fortress of the same period, but completely according to the shape of the ancient Chinese square city."

"The city wall on each side of Xinchang Mansion City is about ten miles, five zhang high, and the top is about three zhang wide, all of which are made of giant cement blocks, and the cement blocks and cement blocks are also deliberately connected in the form of tenon and tenon, so they are particularly strong, only because the steel technology is not yet up to the time and there is no means of pouring more solid reinforced concrete."

"There are four corner towers on the city wall of Xinchangfu City, each side of the city wall has six places of outward tilted horse faces, and there are 2,120 unilateral wall buttresses, in addition to each city wall, each city wall also has two city gates, the city gate is designed with an urn city to strengthen the defense, and the position of the city gate is also equipped with a city tower for strengthening defense."

"Like most of the ancient cities, there is also a wide moat outside the city of Xinchangfu, and the moat leads to the guò artificial canal to attract living water from the Chi River, the Baita River, etc., and thus can pass through the guò small boats to enter the Gaoyou Lake, Hongze Lake and other (transport) river Huai (river) water system, and there are small tributaries into the city to form a waterscape river in the city and provide a nearby water source for urban fire prevention. There are small islands in the lake, and flowers and trees are planted all over the islands, thus forming the beautiful scenery of Xinchang such as orange red in East Lake, pear in West Lake, Lotus Lake in Hainan Lake, lotus fragrance in North Lake, and laurel appreciation.

"With the eight city gates in the east, west, north and south, two opposite each other to form four main roads, just divide the city of Xinchang into nine roughly the same urban area, and unlike the ancient city in the past, at the beginning of the construction of the city of Xinchangfu, the concept of road greening and urban greening was introduced in the city, and the shops along the street were planned in advance."

"The most unique feature of Xinchangfu City is the complete design of urban sewers, although as early as the Song Dynasty in Bianliang City, ancient Chinese appeared called urban sewers, but the Mongol Yuan invasion destroyed the exhibition of Chinese cities, so that the design of sewers disappeared in China for more than 400 years, until the completion of Xinchangfu City was renewed."

Introduction to Ancient Chinese Cities Volume 3

"There are countless firsts in the construction of Xinchang Fucheng, among which in terms of the organization of government management, we are worth noting that the Huaxia regime paid considerable attention to the urban management formulated at the beginning of the restoration of the ruling power of the Jiangnan region by its predecessor Ming Zhuquan, and the implementation of the system of leaving the city with Guo made it possible to have only one competent unit in each city, avoiding the emergence of the phenomenon of quarrels between the prefecture (prefecture) and the counties of the same city, and the setting of the Xianglifang ensured the control of the Chinese regime over the residents in the cityThe main road of the city divides the urban area into nine compartments, which are directly under the jurisdiction of the government, and the inspection department of each compartment is specifically responsible for the responsibilities of the police, household administration, industrial and commercial taxation, firefighting, hospitals, road cleaning, etc."

A Brief Introduction to Ancient Urban Management in Urban Management

When the Oriental sailors transported a large amount of gold and silver treasures to the Liuhe Wharf in Taicang, Zheng Kezhang had already left Xinchang City and crossed the river to the Taiping Mansion Taiping Iron Mine in Taiping Province was the key development project of the Chinese regime, but unlike the Qiongzhou Shilu Iron Mine under the full control of the government, after the Huaxia government invested heavily in the foundation road in the initial stage, the mining of this iron ore was sold to a number of private businessmen from Zheng Kezang's point of view, so as to avoid the bloated and rotten * bad operation of the government-run institutions in the future. It also reduces the cost of the government to buy ore and the potential for direct economic conflict with the miners

Of course, in addition to the mining link, the relief of crushing, washing, transportation, smelting, etc. is still firmly in the hands of the Huaxia government, and the salt and iron yamen of the Ministry of War and the Inner Court Manager Office have competent units in Taiping Mansion, but what really makes people visually shocked is the countless large waterwheels on the river bank and the chimneys of the 6 official and private smelting workshops in the forest, "At present, the mining area can provide two million stones of ore a year," Wailang, a member of the Mining and Metallurgical Department under the Salt and Iron Yamen in Taiping, told Zheng Kezang that with the fine-tuning of the official system of the central government, The names of the subordinate second-level departments of the Ministries and Yamen Grand Judicial Yuan and the Supervision Yuan were also unified into the Division, and the grades in the Shilang were also unified into the four grades, and the members of the Wailang who were the adjutant of the Division were also unified into the five grades: "On this basis, the government-owned smelters can smelt 2.5 million catties of crude iron and 1.4 million catties of forged refined iron every year, and the private smelting workshops can also produce 300,000 catties of crude iron and about 100,000 catties of refined iron every year."

Two million stones of iron ore sounds like a lot, but in fact, the unit of iron ore in a different time and space is only 120,000 tons, and the crude iron produced from this cannot meet Zheng Kezang's needs: "Qing and others will say, what is the problem that restricts production?" ”

A group of officials, you look at me, I look at you, or the deputy director of the Iron Division of the Ordnance Department of the Ministry of War, who is stationed in Taiping, responded: "Back to the saint, the ministers think that in the final analysis, there is still a shortage of manpower in the mines."

Jianghuai in the south of the Yangtze River was originally an overpopulated area, and there should not have been a shortage of labor, but due to the need to fill the problem of land abandonment due to the lack of population in Huguang, Yunnan, Guichuan, Yi and other places due to the war, Zheng Kezang moved to Jiangsu and Zhejiang in large numbers since the Ming Dynasty