Once oriented, other different ways to provide shadow are used, mainly in the openings which are the most critical spot. But as it has been explained the ventilation is important and the openings are necessary. So, the shading devices have to be able to permit the ventilation and to avoid the sun radiation. The overhangs acquire a great importance in the architecture of the region, becoming in cases in porches, because they provide both, ventilation and shadow.
Other strategy concerning the radiation is the use of light colors, especially white, that reflects as much radiation as possible. Are used for both walls and roofs. Avoiding the radiation absorbtion it is also reduced the increase of the temperature due to the sun.