My most indelible memory of Florence isn’t a visual image of a particular piazza or building or statue, nor the fabled Uffizi Galleries, Arno River, Ponte Vecchio. Instead, I remember Florence as I looked down on it from the hill town of Fiesole, about five kilometers northeast (and 250 meters above) the center of town. My then-boyfriend (later to become my husband) had brought me there for a romantic dinner; from the…