| Clue | Source | Date |
|---|---|---|
| Hills with only one scarp | Universal | 11 Dec 2018 |
| Hills with gentle slopes on one side and steep slopes on the other | New York Times | 28 Oct 2018 |
| Spanish hillsides | LA Times Daily | 03 Jun 2018 |
| Spanish hillsides | The Washington Post | 03 Jun 2018 |
| Hills with only one scarp | ||
| Spanish hillsides | ||
| Hills with gentle slopes on one side and steep slopes on the other | ||
| Cliff-faced hills. |