Deutsche Presse Agentur: The scene in Venice in November was one that for many is becoming all too familiar: residents waddling in their gumboots on raised wooden walkways to cope with the “acqua alta,” or high water. The Italian lagoon city’s famed St. Mark’s Square is now flooded more than 100 times a year, compared to around seven times a year a century ago. That makes the walkways placed along some of the city’s submerged alleys and squares more than necessary. Some predict that the city could …