Known as the leading city of China's Western Development Drive Program since 1990s, Xian is an important economic, cultural, industrial and educational center of the central-northwest region, providing visitors with modern and convenient facilities. As the eastern terminal of the Silk Road and the site of the famous Terracotta Warriors of the Qin Dynasty, the city has won a reputation all over the world. More than 3,000 years of history including over 1,100 years as the capital city of ancient dynasties, have endowed the city with an amazing historical heritage. Travelers marvel at the numerous historical sites and cultural relics in the city.