Luca Bursic https://www.facebook.com/OptimistItalia/videos/608122823387722/?d=n
Giulia Conti https://www.facebook.com/OptimistItalia/videos/1158408721187504/?d=n
Gabrio Zandonà https://www.facebook.com/OptimistItalia/videos/255493472211511/?vh=e&d=n
Mario Noto https://www.facebook.com/OptimistItalia/videos/921174654975104/?vh=e&d=n
Alessandro Bonifacio https://www.facebook.com/OptimistItalia/videos/1164798863873550/?vh=e&d=n
