View of St. Mark's Square from above as Venice gears up for a ban on cruise liners that becomes effective on August 1, moving to end years of hesitation and putting the demands of residents and culture bodies above those of the tourist industry, in Venice, Italy, July 27, 2021. Picture taken July 27, 2021. REUTERS/Manuel Silvestri 

View of St. Mark's Square from above as Venice gears up for a ban on cruise liners that becomes effective on August 1, moving to end years of hesitation and putting the demands of residents and culture bodies above those of the tourist industry, in Venice, Italy, July 27, 2021. Picture taken July 27, 2021. REUTERS/Manuel Silvestri 

Waiters stand by an empty restaurant in St. Mark's Square, which would usually be full of tourists, as a coronavirus outbreak continues to grow in the country, in Venice, Italy, February 27, 2020. REUTERS/Manuel Silvestri 

Waiters stand by an empty restaurant in St. Mark's Square, which would usually be full of tourists, as a coronavirus outbreak continues to grow in the country, in Venice, Italy, February 27, 2020. REUTERS/Manuel Silvestri 

Participants take part in a hockey match, marking 100 days before the start of the 2016 IIHF World Championship, in Moscow's Red Square, with St. Basil's Cathedral and the Spasskaya Tower of the Kremlin seen in the background, Russia, January 27, 2016. REUTERS/Maxim Shemetov 

SKA St. Petersburg's vice president Roman Rotenberg takes part in a hockey match, marking 100 days before the start of the 2016 IIHF World Championship, in Moscow's Red Square, Russia, January 27, 2016. REUTERS/Maxim Shemetov 

Pope Benedict XVI greets the crowd during last general audience in St Peter's Square at the Vatican February 27, 2013. Pope Benedict bid an emotional farewell at his last general audience on Wednesday, acknowledging the "rough seas" that marked his papacy "when it seemed that the Lord was sleeping." REUTERS/Alessandro Bianchi (VATICAN - Tags: RELIGION)

Pope Benedict XVI greets the crowd during last general audience in St Peter's Square at the Vatican February 27, 2013. Pope Benedict bid an emotional farewell at his last general audience on Wednesday, acknowledging the "rough seas" that marked his papacy "when it seemed that the Lord was sleeping." REUTERS/Alessandro Bianchi (VATICAN - Tags: RELIGION)

Rowers take part in the Vogalonga, or long row, in Gran Canal in the Venice lagoon May 27, 2012. The annual boating event features a 30km course starting at St. Mark's Square. REUTERS/Manuel Silvestri (ITALY - Tags: SPORT SOCIETY) 

Rowers take part in the Vogalonga, or long row, in Gran Canal in the Venice lagoon May 27, 2012. The annual boating event features a 30km course starting at St. Mark's Square. REUTERS/Manuel Silvestri (ITALY - Tags: SPORT SOCIETY) 

Rowers take part in the Vogalonga, or long row, in Gran Canal in the Venice lagoon May 27, 2012. The annual boating event features a 30km course starting at St. Mark's Square. REUTERS/Manuel Silvestri (ITALY - Tags: SOCIETY SPORT) 

Rowers take part in the Vogalonga, or long row, in Gran Canal in the Venice lagoon May 27, 2012. The annual boating event features a 30km course starting at St. Mark's Square. REUTERS/Manuel Silvestri (ITALY - Tags: SPORT SOCIETY) 

Rowers take part in the Vogalonga, or long row, in Gran Canal in the Venice lagoon May 27, 2012. The annual boating event features a 30km course starting at St. Mark's Square. REUTERS/Manuel Silvestri (ITALY - Tags: SPORT SOCIETY) 

Rowers take part in the Vogalonga, or long row, in Gran Canal in the Venice lagoon May 27, 2012. The annual boating event features a 30km course starting at St. Mark's Square. REUTERS/Manuel Silvestri (ITALY - Tags: SPORT SOCIETY) 

Rowers take part in the Vogalonga, or long row, in Gran Canal in the Venice lagoon May 27, 2012. The annual boating event features a 30km course starting at St. Mark's Square. REUTERS/Manuel Silvestri (ITALY - Tags: SPORT SOCIETY) 

Rowers take part in the Vogalonga, or long row, in Gran Canal in the Venice lagoon May 27, 2012. The annual boating event features a 30km course starting at St. Mark's Square. REUTERS/Manuel Silvestri (ITALY - Tags: SOCIETY SPORT) 

Rowers take part in the Vogalonga, or long row, in Gran Canal in the Venice lagoon May 27, 2012. The annual boating event features a 30km course starting at St. Mark's Square. REUTERS/Manuel Silvestri (ITALY - Tags: SPORT SOCIETY) 

Rowers take part in the Vogalonga, or long row, in Gran Canal in the Venice lagoon May 27, 2012. The annual boating event features a 30km course starting at St. Mark's Square. REUTERS/Manuel Silvestri (ITALY - Tags: SPORT SOCIETY TPX IMAGES OF THE DAY) 

A masked reveller gestures at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. 

A masked reveller poses at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. 

A bird flies over a masked reveller arriving at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. 

Masked revellers pose at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. 

A masked reveller stands behind a statue at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. 

A man is reflected in the mirror as he prepares his mask at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. 

Masked revellers arrive at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. 

Masked revellers arrive at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. 

Masked revellers arrive at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

A masked reveller gestures at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

A masked reveller gestures in front of a church near St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

Masked revellers arrive at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

A man is reflected in the mirror as he prepares his mask at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

A masked reveller poses in front of a church near St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

Birds fly over masked reveller arriving at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

A masked reveller looks at herself in a mirror at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

A masked reveller stands behind a statue at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

A masked reveller poses at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

Pigeons fly over a masked reveller arriving at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

A bird flies over a masked reveller arriving at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

Masked revellers pose at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

Masked revellers arrive at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

A masked reveller poses in front of a church near St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

Birds fly over masked reveller arriving at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

A masked reveller looks at herself in a mirror at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

A masked reveller stands behind a statue at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

A bird flies over a masked reveller arriving at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

A masked reveller gestures at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

A masked reveller gestures in front of a church near St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

Masked revellers arrive at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

Masked revellers pose at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

A masked reveller poses at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

Pigeons fly over a masked reveller arriving at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

A man is reflected in the mirror as he prepares his mask at St. Mark's Square during a traditional Carnival celebration in Venice, northern Italy February 27, 2006. REUTERS/Damir Sagolj 

People wearing special waterproof covering shoes attempt to cross St. Mark's square flooded by high water in Venice. People wearing special waterproof covering shoes attempt to cross a flooded St. Mark's square in Venice, northern Italy, December 27, 2004. The famous square flooded after recent heavy rains and high water. REUTERS/Crosera 

Young military musicians march during the parade of cadets in Dvortsovaya square in St.Petersburg, May 27, 2004. The cadets who marched in St.Petersburg were taking part in celebrations dedicated to the anniversary of the city's foundation, [marked on May 29. Russian reformist Tsar Peter the Great founded the city in 1703 on the deserted Baltic seaside and moved the Russian capital from ancient Moscow to newly built St.Petersburg.] 

A young military musician yawns during the parade of cadets in Dvortsovaya square in St.Petersburg, May 27, 2004. The cadets who marched in St.Petersburg were taking part in celebrations dedicated to the anniversary of the city's foundation, [marked on May 29. Russian reformist Tsar Peter the Great founded the city in 1703 on the deserted Baltic seaside and moved the Russian capital from ancient Moscow to newly built St.Petersburg.] 

Young military musicians march during the parade of cadets in Dvortsovaya square in St.Petersburg, May 27, 2004. The cadets who marched in St.Petersburg were taking part in celebrations dedicated to the anniversary of the city's foundation, marked on May 29. Russian reformist Tsar Peter the Great founded the city in 1703 on the deserted Baltic seaside and moved the Russian capital from ancient Moscow to newly built St.Petersburg. REUTERS/Alexander Demianchuk JV 

A young military musician yawns during the parade of cadets in Dvortsovaya square in St.Petersburg, May 27, 2004. The cadets who marched in St.Petersburg were taking part in celebrations dedicated to the anniversary of the city's foundation, marked on May 29. Russian reformist Tsar Peter the Great founded the city in 1703 on the deserted Baltic seaside and moved the Russian capital from ancient Moscow to newly built St.Petersburg. REUTERS/Alexander Demianchuk JV 

Russian Su-27 and MIG-29 jet fighters fly over St.Basil's cathedral at Moscow's Red Square, June 12, 2003. Military jets flew in formation over Red Square on Thursday as Russia marked the collapse of the Soviet Union with a parade more than a little reminiscent of its communist predecessor. 

Russian Su-27 and MIG-29 jet fighters fly over St.Basil's cathedral (R) and Spasskaya tower at Moscow's Red Square, June 12, 2003. Military jets flew in formation over Red Square on Thursday as Russia marked the collapse of the Soviet Union with a parade more than a little reminiscent of its communist predecessor. 

Russian military Su-27 and MIG-29 jet fighters fly over St.Basil's cathedral (R) and Spasskaya tower at Moscow's Red Square, June 12, 2003. Military jets flew in formation over Red Square on Thursday as Russia marked the collapse of the Soviet Union with a parade more than a little reminiscent of its communist predecessor.