By Sara Rossi and Gavin Jones ROME (Reuters) -Mass tourism, impossibly high rents, worker exploitation, inequality and elitism: Venice, Italy's protests in recent days against Jeff Bezos and Lauren Sanchez's high-profile wedding have highlighted growing global grievances.

On Saturday, hundreds marched through the city’s streets, criticizing the billionaire’s celebration as exploitative while residents face overtourism, high housing costs, and climate challenges.