| Clue | Source | Date |
|---|---|---|
| The ways of business | ||
| Commercial channels (5,6) | ||
| The ways of business people? (5,6) | ||
| Engineer treads outer paths for business? (5,6) | ||
| The Silk Road and others | New York Times | 28 Nov 2017 |
| The Silk Road and others | ||
| Silk Road and others | ||
| Sea lanes. |