Brise soleil building. This is most commonly used to prevent facades with a large amount of glass from overheating during the summer. Often louvers are incorporated into the shade to prevent the high-angle summer sun falling on the facade, but also to allow the low-angle winter sun to provide some passive solar heating. Brise soleil Brise soleil, sometimes brise-soleil (, plural, "brise-soleil" (invariable), or "bris-ole", from French, "sun breaker"), is an architectural feature of a building that reduces heat gain within that building by deflecting sunlight. Brise-soleils can comprise a variety of permanent sun-shading structures, ranging from the simple patterned concrete walls
Portes du Soleil Portes du Soleil Les Portes du Soleil (literally "The Doors of the Sun") is a major skisports destination in the Alps, encompassing thirteen resorts between Mont Blanc in France and Lake Geneva in Switzerland. With more than 650 km of marked pistes (claimed by the lift companies; an independent expert measured about 426 km ) and about 200 lifts in total, spread over 14 valleys and about , Portes du Soleil ranks among the two largest ski areas in the world (the other being Les Trois Vallées). Almost all of the pistes are connected by lifts – a few marginal