Literature Reference: 月峡瞿塘云作顶，乱石峥嵘俗无井。—— 《引水》 杜甫 Above the moonlit gorge of Qutang, clouds crown the rugged rocks where no common wells can be found.
瞿: Ancient halberd-like weaponry.
塘: Embankment; levee.
Meaning: Qutang Gorge, known for its precipitousness, symbolizes unyielding strength and steadfastness.