| Clue | Source | Date |
|---|---|---|
| Central tech warehouses extremely empty and cavernous | ||
| Like like like this clue clue clue ... | New York Times | 25 Apr 2024 |
| Like repeating tunnel sound | ||
| Reverberant | The Times Concise | 23 Oct 2022 |
| Reverberant | Universal | 03 Dec 2020 |
| English revolutionary locks up leader of yeomanry? Sounds like you might have heard that a few times! | Irish Times Crosaire | 09 Feb 2019 |
| Like cave, maybe, or garden in city, close to cemetery | ||
| Like a cavern | ||
| Like the Grand Canyon |