时间以北慕城南旧人以南慕城荒
[shí jiān yĭ bĕi mù chéng nán jiù rén yĭ nán mù chéng huāng]
Combines complex themes of time, geography, and memory. It evokes an image of an old, loved city and past lovers ('旧人'), suggesting lingering emotions in spite of time passing, leaving a trace of sorrowful yearning. North and south directions give additional weight to spatial/temporal elements.