Literature Reference: 生人半为土，何用空中原。—— 《长城》 Half of the living become dust, what use is the vast plain? Source from 'The Great Wall'.
空: The heavens, the expanse.
中: Center, in the middle. When used in personal names, it also signifies a high status, notable achievements, as well as traits of honesty, integrity, and adherence to norms.
Meaning: The vast sky or plain symbolizes boundless freedom and infinite possibilities.