Liu Yifan, a Ph. D. In landscape architecture from an Ivy League university, unexpectedly traveled through time, bringing with him the pinnacle knowledge of landscape architecture from his previous life. On Blue Planet, Feng Shui is a secret superstition. In his eyes, Feng Shui is the ultimate in spatial logic. The game starts in a deserted town, where he wants to write the "Eighteen Secrets of Feng Shui" that has been passed down forever.