Last week, Deyuan marine went to xi 'an for an annual trip. Xi'an, the capital of Shannxi Province, is stuated in the fertile Wei RiverValley. One of the few Chinese cities where the ancient foetress walls can still be seen.Xi'an dates back more than 3,000 years and has impressive collection of archaeological relies to help explain its rich history. Formerly known as Chang'an("ternal Peace"), the city of Xi'an had served as a capital under 13 dynasties.