Whiskey is valued for its subtle flavours, developed over lengthy time periods in barrels for the most enhanced flavours. A 20-year whiskey will set you back more than a 10-year variety, but now, Suntory has done away with traditional labelling and produced two 'ageless' whiskeys instead.

Japanese Asahi Breweries has seen its whiskey brand Nikka break the one million bottle mark in Europe for the first time. Nikka’s sales increased by 45% across Europe in 2014 – the soar in sales was driven by France, where more than 600,000 Nikka bottles were bought alone.

With 43% of Gen Yers buying a cocktail once a week, it’s no surprise that sales of spirits are on the rise. Yet while whiskies and vodkas are common in the super-premium alcohol market, tequila retains a reputation as a cheap shooter. How is DeLeón making this liquor luxurious?

Mezcal used to be a cheap drink, produced by local artisans and drunk by Mexican lower classes. But in 2013, it was the fifth most-drunk liquor worldwide. With its ancient distilling methods and complex flavours, how has it captured the palates of a growing number of admirers?