What was the city of peace in the Edo era?

Ping An Jing is the Japanese capital after Emperor Kanmu moved its capital in 794 (13), which is located in the central area of Kyoto. In other words, the city of peace in the Edo era is also the rectangular capital of Kyoto, which spans the two counties of Geye Aidang, a mountainous country, with a distance of 4.5km from east to west and 5.2km from north to south. At the northern end of Ping 'an Beijing, the center is Danili (Imperial City), starting from Danili, which is Suzaku Avenue running through the city center. Suzaku Avenue divides Ping An Beijing into sakyo and Youjing (sakyo in the east and Youjing in the west). Among them, Beijing follows the design of Chang 'an City in Sui and Tang Dynasties, and Zuojing follows the design of Luoyang City. The walls of this city no longer exist. The choice of this land is said to be based on the correspondence of the four geomantic gods in China. The scope of safe Beijing is smaller than today's capital. The north limit 1 road is located in the middle of Tomomachi-Tomitomo, the same town in Ibimoto, and the south limit 9 road is located in Jiujitong, south of the JR Kyoto station in Ibimoto. Tokyo Maximal Road in the east is located in today's Mitmachi Street, and Xijing Maximal Road in the west is supposed to be located in the lame wild line garden connecting JR and the north-south line of Xijing Pole of Hankyu Kyoto Line. Roads and paths in Beijing divide Beijing into square towns of 40 feet (about 120m). The four towns in the east-west direction are called "long strips" and the four towns in the north-south direction are called "squares". The towns of 16 belonging to the same square have their own numbers, such as Youjing, Wutiao and Sanfangzhe 14. The width of the road is 4 feet (about 12m) for the path and 8 feet (about 24m) for the main road. Most of the existing roads in Kyoto are relatively narrow. The range of Suzaku Avenue is said to be 28 feet (about 84m). Historical Emperor Kanmu built Changgangjing in 784 and moved its capital. This is to break away from the Yamato country where the power groups supporting the Tianwu Emperor Department gather and establish a brand-new capital of the Tianwu Emperor Department. But only nine years later, in June 65438+793 10, Emperor Kanmu called his ministers and moved the capital again. The location is Ge Ye, located in the east of Changgang 10km, in the north of northern Shaanxi between Sichuan and Sichuan. Before moving the capital, it is said that Emperor Kanmu once overlooked Ge Ye from the Shogunate Hall in Dongshan District of Kyoto to determine whether this place was suitable for building the capital. The Japanese biographies mentioned that "Ge Ye is a land of mountains and rivers, where people from all directions gather, and the transportation and waterways are very convenient" is said to be a comment left by Emperor Kanmu. The construction of Ping An Jing started from Miyagi (Otani) and then built its streets. Located at the northernmost tip of Suzaku Avenue in the center of the capital, the Great Hall can be clearly seen from any direction. It was built to publicize the authority of the emperor. Ports such as Jin Dian and Dajinjin have been established along the coast of Sichuan near the capital. This port gathers materials from all over the country and then transports them to the capital. Materials are transferred to the two major markets in the capital (East Market and West Market) and then supplied to the people. This idea is to cope with the stable supply of food and materials after the population increases. In addition, the coping strategies are put forward for the flood problems that residents in Nagaoka are often worried about. There is no natural river in the capital, so an artificial river "Chengchuan" was built, which can not only ensure the supply of water, but also solve the problem of flooding. Buddhist temples that cannot be recognized in Nagaoka are also recognized here. 794} 65438+1October 22nd, Emperor Kanmu moved its capital, and the following year165438+1October 8th, the imperial edict named it Ping 'an Jing. In 8 10, the idea of moving back to Pingcheng, the old capital, was ignited, but Emperor Xie gave up the idea after considering the stability of the country. Therefore, Ping An Jing was established as the "Palace of Ten Thousand Generations" and the eternal capital. However, due to the gradual abandonment of the swamp where the well is located, the main development of the city is concentrated in sakyo. Noble residential areas are concentrated in the north of Zuojing, while poor people begin to live in Yachuan River outside the boundary of JD.COM, which leads to the trend of eastward expansion. In 980, Luocheng Gate (Rashomon Gate) at the southern end of Zhuque Avenue collapsed and was not built again. This makes the scope of Ping An Jing closer to Kyoto in the Middle Ages and modern times. Ping An Jing (Kyoto) lost the administrative functions of Kamakura shogunate and Edo shogunate based on Kanto. Although Meiji Restoration escaped the fate of moving the capital to Tokyo, it became the place where the emperor stayed in Kyoto.