骑行河南——洛阳博物馆 Cycling in Henan - Luoyang Museum

中文 (Chinese): 洛书，又称九宫图，是中国古代最神秘的数学魔方之一，距今已有4000多年历史。传说大禹治水时，神龟背负洛书出水，成为中华文明的重要图腾。这个3×3方阵中，无论横、竖、斜相加都等于15，蕴含着阴阳平衡、五行相生的宇宙法则。从河图洛书到周易八卦，它是中华术数文化的源头，至今仍在风水、中医、武术等领域广泛应用。 English: The Luoshu Square, also known as the Magic Square of 3×3, is one of China's most mystical mathematical wonders with over 4,000 years of history. Legend says a divine turtle emerged from the river carrying this pattern during Emperor Yu's flood control, becoming a sacred symbol of Chinese civilization. In this grid, every r