Literature Reference: 遇我苍吾阴，忽惊会面稀。—— 《奉送魏六丈佑少府之交广》 Meeting me in the shadow of Cangwu, we suddenly realize how rare our encounters are. Source from 'Feng Song Wei Liu Zhang You Shao Fu Zhi Jiao Guang'.
苍: Indigo blue, deep green.
吾: Original Meaning: I. In personal names, it carries no inherent significance.
Meaning: Cangwu represents a vast and serene land, symbolizing a broad mind and lofty aspirations.