Venice residents hold a protest to demand an end to cruise ships passing through the lagoon city, as the first cruise ship of the summer season departs from the Port of Venice, Italy, June 5, 2021. REUTERS/Manuel Silvestri TPX IMAGES OF THE DAY 

Tourists enjoy a sunny day at Rialto Bridge, as the region of Veneto becomes a "white zone", following a relaxation of coronavirus disease (COVID-19) restrictions with only masks and social distancing required, in Venice, Italy, June 7, 2021. REUTERS/Yara Nardi 

Venice residents hold a protest to demand an end to cruise ships passing through the lagoon city, as the first cruise ship of the summer season departs from the Port of Venice, Italy, June 5, 2021. REUTERS/Manuel Silvestri 

Venice residents ride on boats as they protest to demand an end to cruise ships passing through the lagoon city, as the first cruise ship of the summer season departs from the Port of Venice, Italy, June 5, 2021. REUTERS/Manuel Silvestri 

Gondoliers help tourists to get on the gondolas, as the region of Veneto becomes a "white zone", following a relaxation of COVID-19 restrictions with only masks and social distancing required, in Venice, Italy, June 7, 2021. REUTERS/Yara Nardi TPX IMAGES OF THE DAY 

Venice residents hold a protest to demand an end to cruise ships passing through the lagoon city, as the first cruise ship of the summer season departs from the Port of Venice, Italy, June 5, 2021. REUTERS/Manuel Silvestri 

Tourists enjoy a gondola ride, as the region of Veneto becomes a "white zone", following a relaxation of coronavirus disease (COVID-19) restrictions with only masks and social distancing required, in Venice, Italy, June 7, 2021. REUTERS/Yara Nardi 

Venice residents ride on a boat as they protest to demand an end to cruise ships passing through the lagoon city, as the first cruise ship of the summer season departs from the Port of Venice, Italy, June 5, 2021. REUTERS/Manuel Silvestri 

Venice residents hold a protest to demand an end to cruise ships passing through the lagoon city, as the first cruise ship of the summer season departs from the Port of Venice, Italy, June 5, 2021. REUTERS/Manuel Silvestri 

Venice residents ride on boats as they protest to demand an end to cruise ships passing through the lagoon city, as the first cruise ship of the summer season departs from the Port of Venice, Italy, June 5, 2021. REUTERS/Manuel Silvestri 

Bride Milica Ljumovic goes down the stairs of the Rialto Bridge, as the region of Veneto becomes a "white zone", following a relaxation of COVID-19 restrictions with only masks and social distancing required, in Venice, Italy, June 7, 2021. REUTERS/Yara Nardi 

People queue to enter San Marco Dome, as the region of Veneto becomes a "white zone", following a relaxation of coronavirus disease (COVID-19) restrictions with only masks and social distancing required, in Venice, Italy, June 7, 2021. REUTERS/Yara Nardi 

Venice residents hold a protest to demand an end to cruise ships passing through the lagoon city, as the first cruise ship of the summer season departs from the Port of Venice, Italy, June 5, 2021. REUTERS/Manuel Silvestri 

Venice residents hold a protest to demand an end to cruise ships passing through the lagoon city, as the first cruise ship of the summer season departs from the Port of Venice, Italy, June 5, 2021. REUTERS/Manuel Silvestri 

Street vendors carry masks as the region of Veneto becomes a "white zone", following a relaxation of COVID-19 restrictions with only masks and social distancing required, in Venice, Italy, June 7, 2021. REUTERS/Yara Nardi 

Venice residents hold a protest to demand an end to cruise ships passing through the lagoon city, as the first cruise ship of the summer season departs from the Port of Venice, Italy, June 5, 2021. REUTERS/Manuel Silvestri 

People walk carrying their luggage as the region of Veneto becomes a "white zone", following a relaxation of COVID-19 restrictions with only masks and social distancing required, in Venice, Italy, June 7, 2021. REUTERS/Yara Nardi 

Venice residents sit on boats as they protest to demand an end to cruise ships passing through the lagoon city, as the first cruise ship of the summer season departs from the Port of Venice, Italy, June 5, 2021. REUTERS/Manuel Silvestri 

A man washes a gondola as the region of Veneto becomes a "white zone", following a relaxation of COVID-19 restrictions with only masks and social distancing required, in Venice, Italy, June 7, 2021. REUTERS/Yara Nardi 

Cruise ship MSC Orchestra arrives in Venice despite protests demanding an end to cruise ships passing through the lagoon city, in Venice, Italy, June 3, 2021. REUTERS/Manuel Silvestri 

Cruise ship MSC Orchestra arrives in Venice despite protests demanding an end to cruise ships passing through the lagoon city, in Venice, Italy, June 3, 2021. REUTERS/Manuel Silvestri 

People enjoy a drink at a restaurant, as the region of Veneto becomes a "white zone", following a relaxation of COVID-19 restrictions with only masks and social distancing required, in Venice, Italy, June 7, 2021. REUTERS/Yara Nardi