He Tu

He tu (Chinese 河圖 hé tú),  “river map” oder “map of the Yellow River”, is a graphic model of world explanation. An old legend tells form a dragon headed horse with a special pattern on its back seen at the

Heavenly Stems

A heavenly stem, Chinese 天干 tiān gàn, is part of the Chinese calendar existing of repeating pairs of the ten heavenly stems and the twelve earth branches. The heavenly stems represent respectively the yin and yang aspect of the five