Building, characterized in that it includes: - a glazing arranged on the front of the building and delimiting a room of this building; - a sunshade comprising: - a darkening wall extending between first and second transverse edges; - a support guiding the wall between a first position in which the wall exhibits a first inclination relative to the vertical, and a second position in which the wall exhibits a second inclination relative to the vertical, the second inclination being less than the first and the second edge being situated above the first edge in the second position; between the first and second positions, the support guiding the second edge of the wall in a vertical translation inducing the raising of this second edge; the first position of the wall being configured so that, in this first position, the shadow of the wall covers said front glazing for a solar illumination of the building at midday on the summer solstice; the second position of the wall being configured so that, in this second position, the shadow of the wall does not cover said front glazing for a solar illumination of the building at midday on the winter solstice. - a glazing arranged on the front of the building and delimiting a room of this building; - a sunshade comprising: - a darkening wall extending between first and second transverse edges; - a support guiding the wall between a first position in which the wall exhibits a first inclination relative to the vertical, and a second position in which the wall exhibits a second inclination relative to the vertical, the second inclination being less than the first and the second edge being situated above the first edge in the second position; between the first and second positions, the support guiding the second edge of the wall in a vertical translation inducing the raising of this second edge; the first position of the wall being configured so that, in this first position, the shadow of the wall covers said front glazing for a solar illumination of the building at midday on the summer solstice; the second position of the wall being configured so that, in this second position, the shadow of the wall does not cover said front glazing for a solar illumination of the building at midday on the winter solstice. - a darkening wall extending between first and second transverse edges; - a support guiding the wall between a first position in which the wall exhibits a first inclination relative to the vertical, and a second position in which the wall exhibits a second inclination relative to the vertical, the second inclination being less than the first and the second edge being situated above the first edge in the second position; between the first and second positions, the support guiding the second edge of the wall in a vertical translation inducing the raising of this second edge; the first position of the wall being configured so that, in this first position, the shadow of the wall covers said front glazing for a solar illumination of the building at midday on the summer solstice; the second position of the wall being configured so that, in this second position, the shadow of the wall does not cover said front glazing for a solar illumination of the building at midday on the winter solstice.