Unit 1 A Trip to the Silk Road,Lesson 3 A Visit to Xian,Lead in,What do you know about the Terra Cotta Warriors? Do you want to take a trip to Xian,Xianthe Walled City,Do you know: How long is the wall in the Walled City? How old is the wall,Its about 12 kilometres long,Its over 600 years old,the Big Wild Goose Pagoda,It is over 1,300 years old,You can climb up,the Drum Tower,hit the ancient drum,the Bell Tower,ring the ancient bell,The Terra Cotta Warriors,You can visit. They are over 2,000 yea
