The story focuses on the city of Chang'an in the 23rd year of Emperor Xuanzong's reign (735) - this is recognized by history books as the "Golden Age of the Tang Dynasty"
Lin Yan: Sophomore student in the Department of Modern History, majoring in Tang history. He has a calm personality and strong observation skills. He carries a notebook and a simple compass that record the scenery of the prosperous Tang Dynasty. He was struck by an earthquake while visiting the "Tang Chang'an City Model Exhibition" at the Xi'an Museum.
