The 8km Underground River Carved Over 20 Million Years | KBS Walk Into the World, Jan. 2, 2026

Name: The 8km Underground River Carved Over 20 Million Years | KBS Walk Into the World, Jan. 2, 2026
Uploaded: 2026-09-19T22:02:10Z
Channel: KBS 다큐

KBS 다큐 · SEP 19, 2026

This YouTube video has 12 000 views and was published Sep 19, 2026 on KBS 다큐. That is 0.2x the channel's average views.

The 8km Underground River Carved Over 20 Million Years | KBS Walk Into the World, Jan. 2, 2026

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