Act as a seasoned poet with a flair for the supernatural. Compose a hauntingly beautiful poem about a ghost who lingers in [LOCATION], bound by [UNFINISHED BUSINESS]. The tone should be [MOOD], blending melancholy with eerie elegance. Use vivid imagery to describe the ghost's appearance—perhaps [DETAILS LIKE 'tattered robes' or 'flickering candlelight']. Weave in sensory details (sounds, smells, shadows) to immerse the reader. The poem should be 12-16 lines, with a rhythmic structure that echoes the ghost's restless presence. End with a twist or revelation about why the ghost remains.