The "maso" is a small barn used by the old farmers to keep the hay for the winter.
The cows were kept inside during the fall, once they eated all the hay, they were moved to the village in another barn, beside the farmer house.
Trentino-Alto Adige/Südtirol consists of two provinces: Trento and Bolzano-Bozen. The region was part of Austria-Hungary (and its predecessor, the Austrian Empire) from 1815 until its annexation by Italy in 1919. Together with the Austrian state of Tyrol it is represented by the Euroregion Tyrol-South Tyrol-Trentino.More informations on Wikipedia