The link you followed will bring you to this page:

https://tg24.sky.it/cronaca/approfondimenti/fare-lievito-madre-ricetta.amp.html?fbclid=IwAR2OnEK1G51vUuemnncFzgAz4Ai_-sEjUEfHyPOY2iMmmQExd0qvC4jDHO8