| Clue | Source | Date |
|---|---|---|
| Steep slopes around castles | ||
| Steep slopes | LA Times Daily | 03 Feb 2019 |
| Steep slopes | The Washington Post | 03 Feb 2019 |
| Steep slopes | ||
| Steep slopes | ||
| Steep slopes | ||
| Steep cliffs | ||
| Steep cliffs | ||
| Protective embankments | ||
| Cliffs | ||
| Inner walls of fortification ditches | ||
| Steep cliffs | ||
| Inner walls of a rampart ditch | ||
| Slopes | ||
| Builds slopes around a fort | ||
| Steep slopes. |