Underground Project 131
Sign in to saveAlso known as Project 131
underground tunnel system in Hubei province, China
Wikidata facts
- Country
- China
- Image
- Project-131-tunnel-9756.jpg
Show 3 more facts
- Commons category
- Underground Project 131
- native label
- 131工程
- inception
- 1969-01-31
via Wikidata · CC0