On June 16th Pisa holds the Luminara festival, held for the patron saint's day (San Ranieri). At sunset, all the lights along the Arno are dimmed and more than 10000 candles are lit, which makes for some spectacular sights from the Ponte di Mezzo. Various activities are organized in the streets and the night ends with a big fireworks.
Another summer attraction is the Gioco del Ponte (Game of Bridge), a historical manifestation held yearly on the last Sunday of June, in which the two sides of the city (Tramontana and Mezzogiorno, geographically split by the Arno river) participate in a historical procession, with 709 walk-ons, then challenge each other to a physical match in which their teams, each composed of 20 members, try to conquer the "Ponte di Mezzo" (the main bridge in Pisa) by pushing a trolley in order to force the rival team off the bridge.