Literature Reference: 列镇五岳，环流四瀛。—— 《郊庙歌辞 祭方丘乐章 金奏》 The five sacred mountains stand tall, while the four oceans circulate endlessly. Source from 'Jiao Miao Ge Ci: Ji Fang Qiu Yue Zhang Jin Zou'.
环: Environment, circular. In names, it often signifies precious beauty, auspiciousness, and completeness, conducive to joyful living, happiness, and auspiciousness.
流: Flowing water, the river. When used in names, it often symbolizes a broad-minded and unconventional approach to life and actions.
Meaning: Endless circulation symbolizes vitality of life and eternity of the universe.