MONOLITHS
| Date | Clue |
|---|---|
| 2021-02-09 | Uprights at Stonehenge, e.g. |
| 2006-11-12 | Easter Island mysteries |
| 2006-07-03 | Single-slab stone monuments |
| Date | Clue |
|---|---|
| 2021-02-09 | Uprights at Stonehenge, e.g. |
| 2006-11-12 | Easter Island mysteries |
| 2006-07-03 | Single-slab stone monuments |