Around 100 cruise-liners sail through Venice every year, bringing thousands of passengers who boost the city's tourism industry.
But not everyone is happy about that. In September, angry Venetians tried to stop one of the ships from entering the city.
They say the ships are an eyesore and threaten the city's fragile ecosystem.
Al Jazeera's Claudio Lavanga reports from Venice.
Source: Al Jazeera