The Stone City (石頭城, pinyin Shítóu Chéng) is the popular name of an ancient fortified city within the current city of Nanjing. Almost all of the original city is gone; all that remains are portions of the massive city wall. It has been suggested that Pinyin method be merged into this article or section. ... For other uses, see Nanjing (disambiguation). ... The defensive wall of Braşov, Romania. ...

The original town was built during the Warring States Period by the kingdom of Chu. The city was expanded during the Later Han Dynasty and a wall, about nine thousand meters (5½ mi) in circumference, was built around the existing Chu-era city. Today the Stone City lies within the confines of Nanjing's Qingliang Park. The ancient city is strongly enough associated with Nanjing that Nanjing itself is sometimes referred to as "Stone City". Alternative meaning: Warring States Period (Japan) The Warring States Period (Traditional Chinese: 戰國時代; Simplified Chinese: 战国时代; Pinyin: Zhànguó Shídài) covers the period from sometime in the 5th century BC to the unification of China by the Qin in 221 BC. It is nominally considered to be the second part... State of Chu (small seal script, 220 BC) Chu (楚) was a kingdom in what is now southern China during the Spring and Autumn period (722-481 BCE) and Warring States Period (481-212 BCE). ... The Later Han Dynasty could refer to two dynasties in China: The Eastern Han Dynasty (206 BC - AD 9) A dynasty in the Five Dynasties and Ten Kingdoms Period (936-947) This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same... The metre, or meter (symbol: m) is the SI base unit of length. ... A mile is a unit of length, usually used to measure distance, in a number of different systems, including Imperial units, United States customary units and Norwegian/Swedish mil. ...