How to Make Wines in Concrete?

In general, we vinify 100% in concrete and then we age in concrete. Then malbec, for example, the caverna frang that is another grape that we cultivate. I like to age in food rest in big gas. But I feel in concrete, a very good material in order to do this. You know, to make wines, you need to do an intervention. It's not that the makes the wines make alone. So we are very important in the vineyard and in the winery. We take decisions in the vineyards and then we make the wine.