Tongguan Pass
E2007180
UNEXPLORED
Tongguan Pass is an ancient and strategically vital mountain pass in China that historically controlled access between the Guanzhong Plain and the Yellow River valley.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tongguan Pass canonical | 1 |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.