Where was Daxing city built in Sui Dynasty? Why did Emperor Yang Di build this city?

Daxing City built in Sui Dynasty is Chang 'an City in Tang Dynasty, a new capital city established in Longshou Mountain in the southeast. In the second year after Emperor Wen ascended the throne, he established a new capital on the grounds that Chang 'an in the Han Dynasty had been extinct for a long time. After Yang Di ascended the throne, he built Daxing City, that is, Chang 'an in Tang Dynasty. The reason for building a new city is that Chang 'an in Han Dynasty suffered from serious water pollution and poor environment, and wanted to build a new capital.

Xi is one of the most important capitals in ancient China. From the Han Dynasty to the Tang Dynasty, Chang 'an was the capital for hundreds of years. However, Chang 'an in Han Dynasty is different from Chang 'an in Tang Dynasty. Emperor Wendi of Sui Dynasty built a new Chang 'an, that is, Daxing City. After the founding of the Tang Dynasty, the capital was built in Daxing, and Daxing was renamed Chang 'an, which is now Chang 'an.

Chang 'an City in Han Dynasty was not built by the dynasty, but a metropolis gradually developed by natural forces, which led to incomplete urban layout and chaotic market. The area where the people live is intertwined with the Gongxian government. Emperor Wendi of Sui, who paid attention to legislation and pattern, was naturally dissatisfied with the chaotic situation in Chang 'an in Han Dynasty, so he asked Yu, the most famous architect at that time, to redesign the new capital and design Daxing City, that is, Chang 'an in Tang Dynasty.

Not only the layout, but also the environment. Chang 'an City in Han Dynasty was a naturally developed capital. Hundreds of years of development made the population large and the environmental problems increasingly serious. The problem of water pollution is very serious, which has seriously affected people's daily life. Even the emperor's drinking water stinks. In summer, the whole city is filled with bad smells, and even the palace is surrounded by bad smells. As the supreme person in the Ninth Five-Year Plan, it is naturally impossible to live in such an environment.

Han Chang 'an is located in the south of Weihe River. At that time, the flow direction of Weihe River was gradually shifting to the south, and Chang 'an City of Han Dynasty would be submerged at any time in the rainy season. After the completion of Daxing City, Yang Di moved its capital to Daxing City. After the Tang Dynasty, Daxing City was renamed Chang 'an City, and Chang 'an was demolished in the late Tang Dynasty.