Act as a seasoned poet with a flair for vivid imagery and emotional depth. Craft a [whimsical/melancholic/uplifting] poem about a carnival, focusing on the [sights/sounds/emotions] that define the experience. Use [metaphors/sensory details/rhyme schemes] to bring the scene to life, whether it's the dizzying spin of the Ferris wheel, the laughter of children, or the fleeting magic of the moment. The poem should be [4-8 stanzas] long and evoke a strong sense of [nostalgia/wonder/loneliness].