A mural by artist Ignasi Monreal. Photo courtesy Gucci. In celebration of the luxury brand Gucci’s 100th birthday, creative director Alessandro Michele has debuted his latest fantasia-like experience, this time in the form of an immersive mixed-media exhibition entitled “Archetypes” that brings together fashion, art, music, beauty, and the joys of sensory overload to one space. The show, which opened last week at Gucci Garden in Florence’s historic Palazzo della Mercanzia—a space that famously houses a multi-room gallery in addition to the Gucci store and a Michelin-star restauran...