| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | aurora borealis | Northern Europe | A natural phenomenon commonly visible in the night sky, especially in the winter months. | 1 |
| 2 | aurora borealis | Northern Europe | A natural phenomenon commonly observed in the night sky, especially in regions close to the Arctic Circle | 1 |
| 3 | aurora borealis viewing | Northern Europe | A popular activity during long, dark winter nights | 1 |