Taiyuan, the capital city of Shanxi Province, is an ancient city with a history of over 2,500 years, earning its fame for the long history and rich mineral resources. As one of the famous historical cities in China, Taiyuan is the known for many historical sites, such as the Chongshan Monastery which was built in the Tang Dynasty (618 - 917), Chunyang Palace, in which the layout of the buildings resembles the shape of the Eight Diagrams, and the Twin Pagoda Temple which is the symbol of Taiyuan. Taiyuan is also a city, rich of mineral resources such as coal, iron, copper and limestone, especially for coal mines, making the city known as 'the sea of coal'.