Well I cannot offer maps, but Wikipedia may help: http://en.wikipedia.org/wiki/Ancient_Chinese_urban_planningAnd then there is Chang' an, that was built in the end of the Qin-Era, with some explanations of it' s construction and a grid map of the city itself: http://en.wikipedia.org/wiki/Chang%27an| QUOTE | City wall
The 25.7 km long city wall was initially 3.5 m wide at the base tapering upward 8 m for a top width of 2 m.[5] Beyond this wall, a 6.13 m wide moat with a depth of 4.62 m was spanned by 13.86 m long stone bridges. The wall was later expanded to 12–16 m at base and 12 m high. The moat was expanded to 8 m wide and 3 m deep. The expansion of the wall was likely a solution to flooding from the Wei River. The entire city was sited below the 400 m contour line which the Tang Dynasty used to mark the edge of the floodplain.[4]
Twelve gates with three gateways each per the ritual formulas of Zhou dynasty urban planning pierced the wall. These gates were distributed three per a side and from them eight 45 m wide main avenues extended into the city.[5] These avenues were also divided into three lanes aligned with the three gateways of each gate. The lanes were separated by median strips planted with Pine, Elm, and Scholar trees. Bachengmen Avenue was an exception with a width of 82 m and no medians.[4] Four of the gates opened directly into the palaces. |
| QUOTE | City structure
The overall form of the city was an irregular rectangle. The ideal square of the city had been twisted into the form of the Big Dipper for astrological reasons, and also to follow the bank of the Wei River. The eight avenues divided the city into nine districts. These nine main districts were subdivided into 160 walled 1×1 li wards.[4] About 50-100 families lived in each ward. Historically, Chang'an grew in four phases: the first from 200-195 BC when the palaces were built; the second195-180 BC when the outer city walls were built; the third between 141-87 BC with a peak at 100 BC; and the fourth from 1 BC-24 AD when it was destroyed.
The Xuanpingmen gate was the main gate between the city and suburbs. The district north of the Weiyang Palace was the most exclusive. The main market, called the Nine Markets, was the eastern economic terminus of the Silk Road. Access to the market was from the Northeast and Northwest gates, which were the most heavily used by the common people. The former connect with a bridge over the Wei River to the northern suburbs and the latter connected with the rest of China to the east. An intricate network of underground passages connected the imperial harem with other palaces and the city.[6] These passages were controlled by underground gatehouses and their existence was unknown. |
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No man hath greater love than he who layeth down his life for his enemy.
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