The peninsula of Roesnaes on the Danish island of Zealand is mostly flat, apart from a few hills. Cereals are the predominant crop and there seems to be nothing else except fields of grain swaying in the Baltic Sea breeze. Here and there, you see a few horses or sheep grazing. However, every few kilometres you will also spot fields of grapevines. Grapes – on a Baltic Sea island? Sure. They’re called Solaris, Souvignier gris, and Rondo, varieties that can thrive in the cool Danish maritime climate. “We have long hours of sunshine, good soil for the vines and people who dare to grow grapes,” say…