And next, you will explore 700-year-old Xi’an City Wall, which is also one of the largest well-preserved ancient military defensive systems in ancient China. It becomes the emblem of this ancient Xi'an attracts visitors all over the world, then visit Muslim street, which is a fascinating area where you can find exotic food, interesting people and great souvenir stalls. Finally you will be transferred back to domestic departure exit of terminal 3 of Xi'an xianyang international airport before 17:30pm in the afternoon, then take domestic flight (MU2167; 18:00pm - 20:15pm;Xi'an to shanghai pudong) and back to Shanghai, later on the Shanghai driver will hold your name logo and wait for you at terminal 1 of domestic arrival exit of Shanghai pudong airport on 20:15pm at night time, then come back Shanghai's hotel.