Registrazione disponibile su youtube al link 

https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3D3AVFqjOLgks%26t%3D1640s&data=04%7C01%7CDRCAL.Ufficio2%40istruzione.it%7C4774b58ee0084d02806c08d8d6fae2b1%7Ce151b3875dcd4fc98449cb4e2570f004%7C0%7C0%7C637495720610143231%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=Zg7yVhze0ZS%2FCBdIx5ib3z7jHlux7M9tJtAmFP0nW9U%3D&reserved=0