After the opening of the Silk Road, Chang 'an became the center of oriental civilization. History says that "there is Rome in the west and Chang 'an in the east". In the Sui Dynasty, Emperor Wendi of Sui Dynasty was named "Duke of Daxing" by Ming Di of the Zhou Dynasty, so the new capital city was named "Daxing City", and Chang 'an was also called "Daxing City" in the Sui Dynasty. In the Tang Dynasty, the name of Chang 'an was restored. In the Yuan Dynasty, it was renamed "Fengyuan City". In the second year of Hongwu in Ming Dynasty (1369), the Ming government changed Fengyuan Road to Xi 'an Mansion, which means "settling the northwest". Xi' an's name comes from this. Xi 'an, Athens, Rome and Cairo are also called the four ancient capitals in the world. From BC 1 1 century to AD 10/century, there were 13 dynasties or regimes in Xi 'an, which lasted for more than 1 100 years. From about 65438 BC to the end of the 9th century AD, An was the political, economic and cultural center of ancient China for a long time, and it was always under the jurisdiction of local administrative agencies-prefectures, counties, prefectures, provinces, provinces, Chang 'an County and Xianning County. In most dynasties, Xi 'an was under the jurisdiction of Jingzhao Prefecture (county), which was a county-level organizational system. In the Yuan Dynasty, Jingzhao was changed to Anxi Road (later changed to Fengyuan Road). In the second year of Hongwu in the Ming Dynasty (AD 1369), Fengyuan Road was abandoned and xi 'an was established, hence the name Xi 'an 5. Yes, Xi Conservatory of Music.