The bronze mirror glowed with a faint green light under the light. I carefully wiped the mirror surface with a soft cloth, and a biting chill came from my fingertips. This ancient mirror found in my grandfather's relics is about 20 centimeters in diameter. The back is engraved with complex cloud patterns and a set of strange symbols that I have never seen before. As a graduate student in the History Department of Peking University, I am no stranger to ancient cultural relics, but this bronze mirror gave me an indescribable feeling of weirdness.
"Chen Jin, are you studying that broken mirror again?" Roommate Lin Xiaoyu raised her head from her laptop with a look of helplessness on her face, "Tomorrow is the midterm report for Professor Li's special course on Tang History. How are you preparing?"
