# Herausforderung Wasserversorgung aus Karstgrundwasser

Water seeps into countless crevices and holes in the karst landscape. It is often not clear which paths it takes. Around 270 caves have been discovered and developed in northern Vietnam. But the water rarely rises to the surface.

- Kind: Short
- Year: 2022
- Runtime: 1 min
- By: ZDF/Terra X/R. Marel/I. Gesang/SpiegelTV/Jochen Schmidt
- Archive: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Herausforderung_Wasserversorgung_aus_Karstgrundwasser.webm)
- Licence or status: [CC BY 4.0](https://creativecommons.org/licenses/by/4.0) (as the archive states it)
- Credit: ZDF/Terra X/R. Marel/I. Gesang/SpiegelTV/Jochen Schmidt
- Who can watch: Teens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/commons/118264274?play=1)