The material white striated exposed concrete and stone dust of the region recalls the honesty of the materials this simplicity benefits the environment because it doesn’t use coatings in walls foors or roofs contributing the less possible to the pollution. The exposed finishes means less production transportation and utilization of pollutant materials. As said before the free circulation of air allows a constant cleaning of the interior air which allows a natural regulation of the temperature achieving thermic comfort for the users and reducing the use of electronic devices that cools artificially the place. Besides the same large windows avoid the unnecessary use of artificial illumination during the day allowing the entrance of sunlight in the morning.