In popular architecture, the traditional granaries in Asturias, called "hórreos", are known for their demographic extension and their functional evolution, its basic characteristic being its mobility: it can be easily dismounted and transported to another location. The Panera is the evolution of the hórreo, with examples exceeding of area covered. The purpose of the horreo is to store objects and crops. With the arrival of maize and the beans, they were endowed with exterior corridors and railings for drying the harvests.