artificial aurora

例句：

1. 1.The city's annual art festival features a stunning display of man-made auroras.
   该市的年度艺术节展示了令人惊叹的人造极光展示。
2. 2. In the northern hemisphere, the winter solstice marks the peak of the year's first man-made aurora.
   在北半球，冬至标志着一年中首次人造极光的高峰。
3. 3. The artist's use of light and color in his installation creates an artificial aurora that is both beautiful and thought-provoking.
   这位艺术家在其装置中使用光线和色彩创造了一个既美丽又发人深思的人造极光。