In a remote corner of Poland, in the North Podlasie Lowland, lies a mysterious place called Bialowieza, the last primeval forest in Europe, home to the continent's only herd of bison and a distinctively aromatic plant - bison grass. This wild grass resists cultivation and, to this day, is still carefully harvested by hand. For centuries, bison grass has been used to create a unique flavoured vodka, Zubrówka (say 'Zoo-Broov-Ka').and unparalleled freshness to the original singular spirit from Poland.