While associated with fun and frivolity, sparkling wine is a complex wine of many moving parts that requires serious skill to make. We catch up with some of the leading lights in the fizz industry, from Champagne, Spain and England, to find out the secrets of their craft and the challenges surrounding creating a consistent sparkling wine style in an ever-changing climate. Synonymous with celebration, sparkling wines are easy to enjoy but challenging to create. Crafting quality fizz requires a skilled hand, well-trained nose, razor-sharp intuition and nerves of steel come harvest time, when deciding on the perfect moment to pick feels like a game of Russian roulette. Cellar masters are the wizards of the wine world, able to create a consistent style of wine each year from hundreds of elements amid increasingly erratic weather conditions. They have to be time travellers too, projecting themselves into the future when tasting aggressively acidic base wines, working out how they will harmo