This is the moment 30,000 litres of Prosecco went to waste at an Italian winery after a fermentation tank exploded. Dramatic footage posted by the winery in Conegliano, in the province of Treviso, shows a fountain of sparkling wine gushing over the edges of a huge tank. An enormous pool of Prosecco can be seen forming at the base of the tank as it continues to overflow. The L’enoteca Zanardo Giussano wine shop shared the clip on its Facebook page, and it has since been viewed by more than…