Gianni Berengo Gardin photographs Venice’s massive cruise ships.

A 2013 photograph of the MSC Divina cruise ship passing by the old town. Gianni Berengo Gardin, Courtesy of Fondazione Forma per la FotografiaTourism is the economic lifeblood that keeps Venice running. But is it destroying what’s charming about the city in the process? In Gianni Berengo Gardin’s photos of massive boats lumbering through the lagoon and the city’s fragile canals on their way to the international cruise ship…