: This era moved away from heavy stone. Large floor-to-ceiling glass windows became standard to let in maximum natural light.
Some see it as "vétuste" (dilapidated) now, while others appreciate the retro-modernist vibe.
However, "Clés" often refers to "key" concepts or architectural features in 1960s urban planning and building design. If you are looking for information on this era for a social media post, 🏢