"No Big Ships" activists stage a protest as the MSC Orchestra cruise ship leaves Venice, Italy, Saturday, June 5, 2021. The 92,409-ton, 16-deck MSC Orchestra cruise ship, the first cruise ship leaving Venice since the pandemic is set to depart Saturday amid protests by activists demanding that the enormous ships be permanently rerouted out the fragile lagoon, especially Giudecca Canal through the city's historic center, due to environmental and safety risks. The ship passed two groups of protesters: pro-cruise advocates whose jobs depend on the industry as well as protesters who have been campaigning for years to get cruise ships out of the lagoon. The cruiser passed two groups of protesters: pro-cruise advocates whose jobs depend on the industry as well as protesters who have been campaigning for years to get cruise ships out of the lagoon. (AP Photo/Antonio Calanni)

The the 92,409-ton, 16-deck MSC Orchestra cruise ship exits the lagoon as St. Mark's Square stands out in background, left, as it leaves Venice, Italy, Saturday, June 5, 2021. The first cruise ship leaving Venice since the pandemic is set to depart Saturday amid protests by activists demanding that the enormous ships be permanently rerouted out the fragile lagoon, especially Giudecca Canal through the city's historic center, due to environmental and safety risks. (AP Photo/Antonio Calanni)

Passengers stand on the deck of the 92,409-ton,16-deck MSC Orchestra cruise ship as it departs from Venice, Italy, Saturday, June 5, 2021. The first cruise ship leaving Venice since the pandemic is set to depart Saturday amid protests by activists demanding that the enormous ships be permanently rerouted out the fragile lagoon, especially Giudecca Canal through the city's historic center, due to environmental and safety risks. (AP Photo/Antonio Calanni)

"No Big Ships" activists stage a protest as the MSC Orchestra cruise ship leaves Venice, Italy, Saturday, June 5, 2021. The 92,409-ton, 16-deck MSC Orchestra cruise ship, the first cruise ship leaving Venice since the pandemic is set to depart Saturday amid protests by activists demanding that the enormous ships be permanently rerouted out the fragile lagoon, especially Giudecca Canal through the city's historic center, due to environmental and safety risks. The ship passed two groups of protesters: pro-cruise advocates whose jobs depend on the industry as well as protesters who have been campaigning for years to get cruise ships out of the lagoon. (AP Photo/Antonio Calanni)

"No Big Ships" activists stage a protest as the MSC Orchestra cruise ship leaves Venice, Italy, Saturday, June 5, 2021. The 92,409-ton, 16-deck MSC Orchestra cruise ship, the first cruise ship leaving Venice since the pandemic is set to depart Saturday amid protests by activists demanding that the enormous ships be permanently rerouted out the fragile lagoon, especially Giudecca Canal through the city's historic center, due to environmental and safety risks. The ship passed two groups of protesters: pro-cruise advocates whose jobs depend on the industry as well as protesters who have been campaigning for years to get cruise ships out of the lagoon. (AP Photo/Antonio Calanni)

People applaud as the 92,409-ton, 16-deck MSC Orchestra cruise ship departs from Venice, Italy, Saturday, June 5, 2021. The first cruise ship leaving Venice since the pandemic is set to depart Saturday amid protests by activists demanding that the enormous ships be permanently rerouted out the fragile lagoon, especially Giudecca Canal through the city's historic center, due to environmental and safety risks. The cruiser passed two groups of protesters: pro-cruise advocates whose jobs depend on the industry as well as protesters belonging to a movement called "No Big Ships" who have been campaigning for years to get cruise ships out of the lagoon. (AP Photo/Antonio Calanni)

Passengers stand on the deck of the 92,409-ton,16-deck MSC Orchestra cruise ship as it departs from Venice, Italy, Saturday, June 5, 2021. The first cruise ship leaving Venice since the pandemic is set to depart Saturday amid protests by activists demanding that the enormous ships be permanently rerouted out the fragile lagoon, especially Giudecca Canal through the city's historic center, due to environmental and safety risks. (AP Photo/Antonio Calanni)

"No Big Ships" activists stage a protest as the MSC Orchestra cruise ship leaves Venice, Italy, Saturday, June 5, 2021. The 92,409-ton, 16-deck MSC Orchestra cruise ship, the first cruise ship leaving Venice since the pandemic is set to depart Saturday amid protests by activists demanding that the enormous ships be permanently rerouted out the fragile lagoon, especially Giudecca Canal through the city's historic center, due to environmental and safety risks. The ship passed two groups of protesters: pro-cruise advocates whose jobs depend on the industry as well as protesters who have been campaigning for years to get cruise ships out of the lagoon. The cruiser passed two groups of protesters: pro-cruise advocates whose jobs depend on the industry as well as protesters who have been campaigning for years to get cruise ships out of the lagoon. (AP Photo/Antonio Calanni)

The MSC Orchestra cruise ship leaves Venice, Italy, Saturday, June 5, 2021. The 92,409-ton, 16-deck MSC Orchestra cruise ship, the first cruise ship leaving Venice since the pandemic, is set to depart Saturday amid protests by activists demanding that the enormous ships be permanently rerouted out the fragile lagoon, especially Giudecca Canal through the city's historic center, due to environmental and safety risks. The ship passed two groups of protesters: pro-cruise advocates whose jobs depend on the industry as well as protesters who have been campaigning for years to get cruise ships out of the lagoon. (AP Photo/Antonio Calanni)

The MSC Orchestra cruise ship leaves Venice, Italy, Saturday, June 5, 2021. The 92,409-ton, 16-deck MSC Orchestra cruise ship, the first cruise ship leaving Venice since the pandemic, departed Saturday amid protests by activists demanding that the enormous ships be permanently rerouted out the fragile lagoon, especially Giudecca Canal through the city's historic center, due to environmental and safety risks. The ship passed two groups of protesters: pro-cruise advocates whose jobs depend on the industry as well as protesters who have been campaigning for years to get cruise ships out of the lagoon. (AP Photo/Antonio Calanni)

The the 92,409-ton, 16-deck MSC Orchestra cruise ship exits the lagoon as it leaves Venice, Italy, Saturday, June 5, 2021. The first cruise ship leaving Venice since the pandemic is set to depart Saturday amid protests by activists demanding that the enormous ships be permanently rerouted out the fragile lagoon, especially Giudecca Canal through the city's historic center, due to environmental and safety risks. (AP Photo/Antonio Calanni)

The the 92,409-ton, 16-deck MSC Orchestra cruise ship exits the lagoon as it leaves Venice, Italy, Saturday, June 5, 2021. The first cruise ship leaving Venice since the pandemic is set to depart Saturday amid protests by activists demanding that the enormous ships be permanently rerouted out the fragile lagoon, especially Giudecca Canal through the city's historic center, due to environmental and safety risks. (AP Photo/Antonio Calanni)

The the 92,409-ton, 16-deck MSC Orchestra cruise ship exits the lagoon as it leaves Venice, Italy, Saturday, June 5, 2021. The first cruise ship leaving Venice since the pandemic is set to depart Saturday amid protests by activists demanding that the enormous ships be permanently rerouted out the fragile lagoon, especially Giudecca Canal through the city's historic center, due to environmental and safety risks. (AP Photo/Antonio Calanni)

The the 92,409-ton,16-deck MSC Orchestra cruise ship exits the lagoon as St. Mark's Square stands out in background, left, as it leaves Venice, Italy, Saturday, June 5, 2021. The first cruise ship leaving Venice since the pandemic is set to depart Saturday amid protests by activists demanding that the enormous ships be permanently rerouted out the fragile lagoon, especially Giudecca Canal through the city's historic center, due to environmental and safety risks. (AP Photo/Antonio Calanni)

"No Big Ships" activists stage a protest as the MSC Orchestra cruise ship leaves Venice, Italy, Saturday, June 5, 2021. The 92,409-ton, 16-deck MSC Orchestra cruise ship, the first cruise ship leaving Venice since the pandemic is set to depart Saturday amid protests by activists demanding that the enormous ships be permanently rerouted out the fragile lagoon, especially Giudecca Canal through the city's historic center, due to environmental and safety risks. The ship passed two groups of protesters: pro-cruise advocates whose jobs depend on the industry as well as protesters who have been campaigning for years to get cruise ships out of the lagoon. (AP Photo/Antonio Calanni)

The the 92,409-ton, 16-deck MSC Orchestra cruise ship exits the lagoon as a flag of the Lion of St. Mark, the symbol of Venice, is being waved, in Venice, Italy, Saturday, June 5, 2021. The first cruise ship leaving Venice since the pandemic is set to depart Saturday amid protests by activists demanding that the enormous ships be permanently rerouted out the fragile lagoon, especially Giudecca Canal through the city's historic center, due to environmental and safety risks. (AP Photo/Antonio Calanni)

People applaud as the 92,409-ton, 16-deck MSC Orchestra cruise ship departs from Venice, Italy, Saturday, June 5, 2021. The first cruise ship leaving Venice since the pandemic is set to depart Saturday amid protests by activists demanding that the enormous ships be permanently rerouted out the fragile lagoon, especially Giudecca Canal through the city's historic center, due to environmental and safety risks. The cruiser passed two groups of protesters: pro-cruise advocates whose jobs depend on the industry as well as protesters belonging to a movement called "No Big Ships" who have been campaigning for years to get cruise ships out of the lagoon. (AP Photo/Antonio Calanni)

"No Big Ships" activists stage a protest as the MSC Orchestra cruise ship leaves Venice, Italy, Saturday, June 5, 2021. The 92,409-ton, 16-deck MSC Orchestra cruise ship, the first cruise ship leaving Venice since the pandemic is set to depart Saturday amid protests by activists demanding that the enormous ships be permanently rerouted out the fragile lagoon, especially Giudecca Canal through the city's historic center, due to environmental and safety risks. The ship passed two groups of protesters: pro-cruise advocates whose jobs depend on the industry as well as protesters who have been campaigning for years to get cruise ships out of the lagoon. The cruiser passed two groups of protesters: pro-cruise advocates whose jobs depend on the industry as well as protesters who have been campaigning for years to get cruise ships out of the lagoon. (AP Photo/Antonio Calanni)

The MSC Orchestra cruise ship, center, leaves Venice, Italy, Saturday, June 5, 2021. The 92,409-ton, 16-deck MSC Orchestra cruise ship, the first cruise ship leaving Venice since the pandemic, is set to depart Saturday amid protests by activists demanding that the enormous ships be permanently rerouted out the fragile lagoon, especially Giudecca Canal through the city's historic center, due to environmental and safety risks. The ship passed two groups of protesters: pro-cruise advocates whose jobs depend on the industry as well as protesters who have been campaigning for years to get cruise ships out of the lagoon. (AP Photo/Antonio Calanni)