Another use for granite

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‘Marmor, Stein und Eisen bricht, aber unsere Liebe nicht’ (marble, stone and iron break, but not our love), was a number one hit in Germany in the 1960s, and although Andreas Schmitges may just have been a tiny tot at the time, five decades later he decided to transpose the theme in a slight adaptation from the world of pop to the world of wine and put the strength of Riesling to the test versus the respective powers of oak, granite and steel.

Obviously we are used to wooden casks and stainless-steel tanks as vessels for wine, and even concrete...