To make a good wine you need a grape from a good vineyard. To be a good vineyard it must be in the right place; by the characteristics of the soil, by the altitude, by the climate, by its exposure to the sun, etc, … Tradition tells us which are the right places to plant the vines, when and how to prune them, when to pick the grapes,. And so with the whole process until the wine is obtained.
Our ancestors have been experimenting for many years, improving and learning … and this is the valuable legacy that they have left us and that we take advantage of and respect a lot.