There’s not much in the world more refreshing than a glass of fresh-squeezed watermelon. Or at least, we thought so – until we had the Water Tower from Eben Klemm at the W Downtown in NYC. Klemm’s only addition is an equal pour of light, floral blanc vermouth; it transforms the drink into a thirst-quenching cocktail in its own right, bursting with herbs and flowers and fruit.