Light is radiant energy. It is distributed radially and is losing intensity as It is moving away from the source.
Sunlight has physiological and psychological effects on human welfare enhancing, it is by Hence the importance of the position of the building with the sun’s path and use of natural light available, in addition to the large energy cost savings. Although currently few buildings oriented to take advantage of it and are determined by the location of the street.
Already in the Greek era, 80% of the temples were located toward the sunrise, there arises
term "orientation", applied to the axial direction of the temple, located in the East.
Article by Mireia Murciano, professor of the ESDi Product Usability and space Unit