Literature Reference: 城盐州，城盐州，城在五原原上头。—— 《新乐府 城盐州》 白居易 Fortify Yanzhou, fortify Yanzhou, the city stands atop the Wuyuan Plateau. Source from 'New Ballads: Yanzhou' by Bai Juyi.
盐: Salt. Salt pans.
州: An ancient administrative division unit, often used in names to denote a person of exceptional talent and wisdom.
Meaning: Yanzhou was a crucial frontier city in the Tang Dynasty, symbolizing resilience and protection.