Barefoot in the piazza: A young couple poses on the flooded Piazza San Marco during the first “acqua alta” of the season on November 6 in Venice, Italy. “Acqua alta”, Italian for “high water”, is a recurrent phenomenon that occurs when the level of water in the Venice lagoon overflows ground level in Venice. Although the “acqua alta” could be dangerous, a large number of tourists think that it is an exciting experience.