Young actor Yi Yangqianxi plays protagonist Li Bi.[Photo provided to China Daily]

The top review on Douban by Shanshui Yanhua, which received over 7,000 likes, says: "The detailed depiction of the city of Chang'an alone deserves a five-star rating. It is a historical show made with deep sincerity."

The beginning of the first episode uses a long take to set the scene of the ancient capital during a festive occasion, drawing the viewer down into the ancient streets of Chang'an to walk among the children, street vendors and officials.

According to director Cao Dun, the shooting process was very demanding due to the number of extras. With between 300 to 1,500 actors taking part on any given day, the preparation required to direct them was enormous.