Documentary of the underground cities constructed under the nuclear threat of both US and Soviet Union during the Cultural Revolution period.
| Actor | Role |
|---|---|
 Cao HuiquOld Journalist | Old Journalist |
 Xu LingeNot listed | Not listed |
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Documentary of the underground cities constructed under the nuclear threat of both US and Soviet Union during the Cultural Revolution period.
| Actor | Role |
|---|---|
| Cao HuiquOld Journalist | Old Journalist |
| Xu LingeNot listed | Not listed |