Florence “Robert Mapplethorpe: Perfection in Form” at the Galleriadell’Accademia (through January 10, 2010). The 20th-centuryphotographer, who died 20 years ago, was known both for his obsession with a particularidealization of the human body and sculptural play of light. In an unprecedented and unusualshow, more than 90 of Mapplethorpe’s works share space with the celebrated sculptures ofMichelangelo, including David, in an exhibition juxtaposing America photography and ItalianRenaissance art.