Underground Great Wall
From Underfoot
archaeological tunnel in China
Wikidata
Frontier Tunnel Ruins; Remains of Bianguan Tunnels
Q148,
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Location: 38.9887, 116.1086, KML, Cluster Map, Maps,
1 places
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Underground Great Wall ⓘ
archaeological tunnel in China
| Type | Subtype | Date | Description | Notes | Source |
|---|---|---|---|---|---|
| site | tunnel | Underground Great Wall | tunnel | Wikidata | |