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Concept: Hetu and Luoshu are two mysterious patterns handed down from ancient China. They contain profound principles of the universe and astrology. They have always been considered the source of Chinese culture and are known as the "Universal Rubik's Cube".
The river map is originally a star map. It is used for geography, so it is an image in the sky and takes shape on the ground. Numbers 1 to 10 in Hetu are the numbers generated by heaven and earth, representing the basic elements and principles of the universe, and embodying the ancient Chinese people's understanding of time and space. The black dots and white dots on the river map are arranged in several arrays, which contain infinite mysteries. They symbolize the yin and yang, the five elements and the changing laws of the universe, and are considered to be the symbol of the universe.
Luoshu is regarded as a "context diagram", a pattern that expresses the changing context of the heaven and earth space. Luoshu numbers 1-9 are the numbers of changes in the heaven and earth. Through the law that the sum of the numbers on the three vertical and horizontal lines is equal to 15, it reflects the law of changes in all things between the heaven and the earth. Luoshu emphasizes change and flow, reflecting the Taoist idea that things are constantly changing and following the laws of nature.
The Hetu and the Luoshu are cleverly combined and integrated into one, constructing an operating model in which the universe, time and space are unified, and all things are generated and evolved. It is the source of Chinese culture and the yin and yang and the five elements. They are not only precious heritage of ancient culture, but also an important way to understand the profound heritage of Chinese civilization.