The vines were not cultivated for wine until Juan took over in 1990, but, as a little boy, he remembers picking the grapes and eating them as he walked.

BBC: The three colours of Ibiza

When the first crop of John's beloved hillside vineyard ripened in 1978, they couldn't find a picking crew and the grapes hung for three or four days beyond what they judged to be optimal ripeness a delay that would eventually prove to be a blessing, though they didn't know it at the time.

WSJ: The Near-Accidental Brilliance of Shafer Vineyards

This wine is produced by leaving the grapes on the vine to shrivel and rot and not picking them until they are entirely encapsulated by ice.

WSJ: Will Lyons on Wine: Something Sweet for Your Sweet