Literature Reference: 幽洞自生药，新篁迸入池。—— 《题郑驸马林亭》 In the secluded cave, herbs grow naturally, and new bamboo shoots burst into the pond. Source from 'Ti Zheng Fuma Linting'.
幽: Serene and concealed, it embodies elegance and composure.
洞:
Meaning: The secluded cave represents a deep and serene grotto, symbolizing mystery and the beauty of nature.