Literature Reference: 一株新柳色，十里断孤城。—— 《边城柳》 A fresh willow's color, ten miles from the lonely city. Source from 'Biancheng Liu'.
十: On banknotes and official documents, the numeral "ten" is often represented by the Chinese character "拾" in its formal written form.
里: Unit of length, interior, surname.
Meaning: Ten miles represents vast distances, often used to describe scenery or emotions, symbolizing expanse and depth.