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Xi'an - Wikipedia
Xi'an - Simple English Wikipedia, the free encyclopedia
Xi’an | China, Map, History, & Attractions | Britannica
History of Xi'an - Wikipedia
Chang'an - Wikipedia
Fortifications of Xi'an - Wikipedia
Xi'an – Travel guide at Wikivoyage
Xi’an summary | Britannica
Xian Travel Guide, Explore China Ancient Culture
Xi'an - Wikiwand