Archaeologist: Distinguished researcher at the Dunhuang Academy, specializing in isotope dating technology. There is a crescent-shaped burn scar on the palm print of his left hand. Carry with you the fragmented diary of the 1937 French expedition.
Professor of Theoretical Physics: Researches the direction of quantum gravity. He suffers from congenital color vision impairment (can only see blue and gray). A reproduction of the first edition manuscript of Hawking's "A Brief History of Time" hangs in his study.
Tibetan mural restorer: Lu Yansheng's field assistant, who carries an asthma inhaler that looks like a prayer wheel and has a crush on cultural relic photographer Su Li for seven years.
War correspondent changed career: He lost the sight in his right eye due to shell fragments, and experienced time and space illusions when photographing caves with an antique Leica camera.
Concept: The collision of technology and history, the two-way redemption of emotion and reason