Forschende aus der Schweiz und anderen Ländern haben sich angeschaut, was man von den Walliser Suonen lernen kann.
Traditional irrigation – fighting global warming: How suonen could help
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Tue 04:02 - SRF Wirtschaft
Traditional irrigation – fighting global warming: How suonen could help
Tue 04:02 - SRF News
Traditional irrigation – fighting global warming: How suonen could help