Echo
Documentary on the Caohai Lake of Guizhou Province, how it was destroyed in the past and restored later.
| Release Date | July 4, 1986 | |
|---|---|---|
| Status | Released | |
| Original Title | 回声 | |
| Runtime | 30min | |
| Budget | — | |
| Revenue | — | |
| Language | Mandarin | |
| Original Language | Chinese | |
| Production Countries | China | |
| Production Companies | Beijing Science and Educational Film Studio | |