How do helicopters help winegrowers stave off freezing temperatures in spring?

French vintners are always looking for new ways to thaw their grapevines to save them from a late frost following a winter warm spell, a temperature swing that is threatening fruit crops in multiple countries. READ MORE : https://www.euronews.com/2022/04/05/how-do-helicopters-help-winegrowers-stave-off-freezing-temperatures-in-spring Subscribe to our channel: https://www.youtube.com/c/euronews?sub_confirmation=1
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