Chang He, the name of the allusion, alludes to “Huainanzi topographical training”, “Chu rhetoric – Li Sao”. Originally refers to the legendary western gate of heaven, and later has many meanings. Generally refers to the gate of the palace or the gate of Chang-an, borrowing to refer to the capital, palace, court, etc.. Also refers to the west wind.

Regarding the architectural design, I referenced traditional Chinese architecture and cyber style, the game referenced was HONGKAI:StarRailway, a game where traditional architecture and sci-fi are combined to create an otherworldly sci-fi city of Chinese culture. The architecture of this city needs to look technological while full of Chinese elements during the daytime, and Cyber neon lights at night. So a sensible combination of ancient architecture and new style of lighting and futuristic design was very important.