The Palazzo Vecchio is the town hall of Florence, Italy. It overlooks the Piazza della Signoria, which holds a copy of Michelangelo's David statue, and the gallery of statues in the adjacent Loggia dei Lanzi. From Wikipedia
The 760-meter elevated passageway, built by the Medici family in 1565, is now accessible to the public for the first time, offering unique views and a connection between iconic landmarks.