曙光空城致旧梦
[shŭ guāng kōng chéng zhì jiù mèng]
'Shuguang' in Chinese refers to 'dawn'. This username can be interpreted as sending dawn or hope (曙光, Shuguang) to the dreams of the old city (空城, Kong Cheng), implying the contrast between dreams and reality and the passage of time.