Xian Yang is a famous city located in the center of shaanxi province. It is 20 kilometers away from XI’AN. It is a city of middle size with a population of 400,000.In the history of China, eleven dynasties made Xian Yang their capital. So our city is an old one. There are many places of interest here ,Especially in the north of the city stand thousands of tombs of ancient emperors , kings, generals and ministers. It is one of the wonders in our country. Xian Yang is also a beautiful city ,though it is a little small. With the rapid development of our economic, great changes have taken place here. There are many factories and companies in it. You can see tall buildings, big department stores and factories everywhere. But every corn has two sides. With the development of the industry ,we have fewer trees and blue sky. Air ang water pollution is becoming more and more series. We must do something to stop pollution and make our hometown even more beautiful. 本文来源：https://www.wddqw.com/doc/045188b9ca50ad02de80d4d8d15abe23492f03b2.html