![Chinese and foreign tourists visit the ancient Chinese walled city Xi'an, one of the oldest cities in China and the capital of Shaanxi Province on June 26, 2012. Xi'an is one of Chinese and foreign tourists visit the ancient Chinese walled city Xi'an, one of the oldest cities in China and the capital of Shaanxi Province on June 26, 2012. Xi'an is one of](https://c8.alamy.com/comp/W0NEHP/chinese-and-foreign-tourists-visit-the-ancient-chinese-walled-city-xian-one-of-the-oldest-cities-in-china-and-the-capital-of-shaanxi-province-on-june-26-2012-xian-is-one-of-the-four-great-ancient-capitals-of-china-having-maintained-the-position-under-several-of-the-most-important-chinese-dynasties-it-is-the-most-complete-walled-city-that-has-survived-in-china-upistephen-shaver-W0NEHP.jpg)
Chinese and foreign tourists visit the ancient Chinese walled city Xi'an, one of the oldest cities in China and the capital of Shaanxi Province on June 26, 2012. Xi'an is one of
![Chinese and foreign tourists visit the ancient Chinese walled city Xi'an, one of the oldest cities in China and the capital of Shaanxi Province on June 26, 2012. Xi'an is one of Chinese and foreign tourists visit the ancient Chinese walled city Xi'an, one of the oldest cities in China and the capital of Shaanxi Province on June 26, 2012. Xi'an is one of](https://c8.alamy.com/comp/W0NEHC/chinese-and-foreign-tourists-visit-the-ancient-chinese-walled-city-xian-one-of-the-oldest-cities-in-china-and-the-capital-of-shaanxi-province-on-june-26-2012-xian-is-one-of-the-four-great-ancient-capitals-of-china-having-maintained-the-position-under-several-of-the-most-important-chinese-dynasties-it-is-the-most-complete-walled-city-that-has-survived-in-china-upistephen-shaver-W0NEHC.jpg)
Chinese and foreign tourists visit the ancient Chinese walled city Xi'an, one of the oldest cities in China and the capital of Shaanxi Province on June 26, 2012. Xi'an is one of
![Luoyang Ancient City Wall at Night. Lijing Gate on the Central of the Luoyang City and is One of the Four Great Ancient Capitals Stock Photo - Image of city, culture: 193074374 Luoyang Ancient City Wall at Night. Lijing Gate on the Central of the Luoyang City and is One of the Four Great Ancient Capitals Stock Photo - Image of city, culture: 193074374](https://thumbs.dreamstime.com/z/luoyang-ancient-city-wall-night-lijing-gate-central-one-four-great-capitals-time-china-henan-province-th-193074374.jpg)