sent off amid protests. and claudio is covering it for us. thank you for joining us. who are these protestors, and why are they resistant to the return of the cruise industry especially after the pandemic battered tourism throughout the country? >> reporter: well, these protestors have been complaining for about ten years now since the cruise liners started coming into venice that these massive giants of the seas when they sail past these canals now, this is one of the biggest canals in venice, right in thed they move and are a real threat to the environment and architecture of this city. they say that water erodes slowly the canal floor as well as crashing against the fragile