Pingyao

Pingyao is a county in central Shanxi province, People's Republic of China. It lies about 715 kilometres (444 mi) from Beijing and 80 kilometres (50 mi) from the provincial capital, Taiyuan. During the Qing Dynasty, Pingyao was a financial centre of China. Its history dates back 2,700 years, and is one of the best preserved ancient cities in the known world. It is still inhabited by 50,000 residents and is renowned for its well-preserved ancient city wall, and is a UNESCO World Heritage Site.

Pingyao's old town is typically considered the best ancient walled city in China, and is on many lists of the best walled cities in the world.
The old walled city is 2.6 sq. kilometers (1 sq. mile), inhabited, mostly off-limits to cars, and constructed of cobbled streets and buildings almost entirely from the Ming and Qing dynasties. Picture a period film showing ancient China - and you won't be far off. Perfect for atmospheric wandering, this city is still off the radar of most foreigners. As such, the tourist hordes tend to be over 99% mainland Chinese on any given day.

The city walls of Pingyao were constructed in the 3rd year of the Hongwu Emperor (1370). The walls have six barbican gates. The north and south sides have one gate each. The east and west sides have two gates each. This pattern is similar to that of a turtle (the head, tail and four legs), earning Pingyao the moniker "Turtle City." The walls measure about 12 metres high, with a perimeter of 6,000 metres. A 4-metre wide, 4-metre deep moat can be found just outside the walls. Aside from the four structured towers at the four corners, there are also 72 watchtowers and more than 3,000 battlements. In 2004, part of the southern walls collapsed but were reconstructed. However, the rest of the city walls are still largely intact and are considered among the best-preserved ancient city walls on this scale. This makes the city walls the centrepiece of the Heritage Site.

Historical importance
Pingyao still retains its city layout from the Ming and Qing dynasties, conforming to a typical Ba gua pattern. More than 300 sites in or near the city have ancient ruins. Preserved Ming- and Qing-style residences number close to 4,000. The streets and storefronts still largely retain their historical appearance.
In the Spring and Autumn Period, the county belonged to the kingdom of Jin. It was part of the kingdom of Zhao in the Warring States period. In the Qin Dynasty, it was known as Pingtao. During the Han Dynasty, it was known as Zhongdu county. In 1986, the People's Republic of China designated Pingyao as one of the Chinese Historic and Cultural Cities. It became a World Heritage Site in 1997, including the outlying Zhenguo Temple and Shuanglin Temple.