Yes, you could visit all of these places in 3 days. As for dining, please go to the Muslim Street for snacks at the back of the Drum Tower. For garden, you may go to these parks for free along the City Wall at night. Some locals will spend their night time there, singing and dancing.

Thank you many times.Books are showing Han City Wall and Drum Tower I'm excited!I can't wait! Wanting to visit Yellow Emperor, Mao Ling and Zhao Tombs of course the Wild Goose Pagodas and Bell Tower. You have given head start on sites,history and people. Now, poet Li Bai (Po) did he ever visit Chang'an (Xi'an)? Thank you again.

Yes，Chang'an (Xian) was the capital city of Tang Dynasty, Li Bai is the famous poet of that time. He spend few years here for three times. Left necause of failure in passing through an official career.

Ni Hao, Thank you so much Mr. Qi, I'm looking ever-more forward to my visit wondering what I can find out about Du Fu and Li Bai as well as the "Eight Immortals" poets. My dreams are coming truth. To read is one view but to go to those places is so exciting. Thank you.