"The quality of black and green tea tends to improve. When stored at subzero temperatures, tea leaves become covered with tiny cracks. This makes tea more aromatic and delicious. Permafrost also benefits vodka because various chemical substances impairing its taste are destroyed during long-term storage inside permafrost, and vodka starts tasting better."

The wonderful things you learn at ETS! i have often wondered why my brother's tea and vodka tastes so good. He lives in Minnesota. Nowweknow.....