Optimized variables
Only the meaningful inputs are exposed — the rest of the prompt structure stays locked-in for consistent output.
What you can customize
These 9 variables are exposed in the editor — change any of them and re-run.
city_name
城市名称
如：京都、纽约、巴黎
historical_year
历史年份
1800-2000之间，如：1920
future_year
未来年份
2040-2150之间，如：2080
color_scheme
色彩方案
typography_style
字体风格
border_style
边框样式
reference_image
参考图片（可选）
上传城市地标或建筑风格参考图
aspect_ratio
画面比例
resolution
画质
Why this prompt works on Nano Banana Pro
Real production track record
This prompt has been used 0 times by other creators. The output above is from real runs — not cherry-picked demos.
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