The Geography of the Great Yin

As for who built the Chidao and why, even after enduring the trials of thousands of years, it remains as smooth as a mirror, devoid of any vegetation...! ... Let the protagonist answer this!

Eastern Shenzhou, Western Youzhou, Southern Manzhou, and Northern Mingzhou are located in the southeast, southwest, northeast, and northwest directions of the ancestral state. Two artificial highways intersect in a cross shape, connecting the ancestral state with the surrounding states.

Two highways, each one hundred miles wide, converge at Gaogong, crossing four boundary bridges over the Zuzhou River, connecting four provinces

Dayin, located in Gaoging, is situated in the central land of the ancestral state, serving as the core of the Nine Provinces

This https://www.hetushu.com.com is a general overview of the geographical features of Dayin

At the edge of the ancestral state lies the "Ancestral State Boundary River," which stretches 3,000 miles wide, serving to separate the ancestral state from the four surrounding states to the east, south, west, and north

Note: This is a Xianxia novel, and all units, including the scale of the capital city of Gaokjing, do not conform to conventional standards. The size of each market is based on the common means and modes of transportation in the Xianxia genre. Once, an ordinary resident of Gaokjing could easily travel throughout the city in just a few months

At the bridgeheads of the four boundary bridges, there are four giant military encampments housing countless troops, serving as an important means for the Great Yin Wu Dynasty to deter the feudal lords of the surrounding major states

Two main thoroughfares are separated by several miles, with auxiliary thoroughfares of varying widths extending in the southeast, southwest, northeast, and northwest directions, dividing the land into numerous squares of different sizes. The administrative units of the Great Yin, such as provinces, prefectures, and departments, are established based on the sizes of these thoroughfares.

Middle-earth's ancestral state, adhering to the principles of a round heaven and a square earth, features the square and rectangular layout of the capital city, which serves as the center of the ancestral state, while the ancestral state itself is a perfect circle shaped by human intervention

With a radius of 360,000 miles, the perfectly round ancestral land.

At the intersection of the thoroughfare and the thoroughfare, there will be a military city towering, garrisoned with heavy troops, suppressing all directions