[CITY/COUNTRY] 主题超细节高端旅行美食广告海报，竖版构图，灵感来自奢华乐事（Lay’s）风格薯片广告。一包逼真的薯片袋置于底部中…

Ultra-detailed premium travel-food advertisement poster for [CITY/COUNTRY], vertical composition, inspired by luxury Lay’s-style chips advertising. A realistic chips packet placed at the bottom center as the main hero object, matching the exact premium commercial layout of a floating chips campaign.

A cinematic spiral ribbon of sauce, cream, clouds, steam, or flavored swirl rises upward from the chips packet, dynamically wrapping around iconic landmarks, local foods, and cultural elements from [CITY/COUNTRY].

Floating ridged potato chips suspended naturally throughout the spiral motion, interacting with the landmarks and miniature travelers. The chips packet design must feel authentic to [CITY/COUNTRY], featuring regional colors, typography, patterns, and local flavor inspiration while still clearly looking like a premium potato chips package.

Include only the most iconic landmarks from [CITY/COUNTRY], carefully spaced with clean composition and no clutter. Add miniature travelers naturally interacting with the environment:
- taking photos
- exploring landmarks
- sitting on floating chips
- riding local transport
- observing scenery
- walking through the swirl paths

Include authentic local foods, ingredients, and atmosphere elements relevant to [CITY/COUNTRY].

Background should be soft pastel or warm luxury gradient with a circular ceiling portal opening at the top emitting cinematic spotlight beams.

Elegant premium commercial lighting, soft shadows, floating particles, realistic depth, balanced negative space, luxury tourism campaign aesthetic, hyper-realistic CGI, highly detailed but minimalist, Instagram-worthy poster design.

Composition rules:
- one dominant centered chips packet
- floating ridged potato chips throughout composition
- one continuous upward spiral motion
- landmarks layered vertically
- miniature people sparse and intentional
- no duplicate landmarks
- no overcrowding
- clean premium hierarchy
- cinematic storytelling through scale contrast
- premium advertising composition matching high-end chips commercials