A pigeon drinks water from a fountain in a public park, as the spread of the coronavirus disease (COVID-19) continues, in Zurich, Switzerland March 4, 2021. REUTERS/Arnd Wiegmann

A pigeon drinks water from a fountain in a public park, as the spread of the coronavirus disease (COVID-19) continues, in Zurich, Switzerland March 4, 2021. REUTERS/Arnd Wiegmann

A water fountain is taped off to prevent students from drinking amid the coronavirus disease (COVID-19) pandemic, at the Mount Vernon Community School in Alexandria, Virginia, U.S., March 2, 2021. REUTERS/Tom Brenner

People enjoy a warm afternoon by Lake Leman and the jet d'eau (water fountain) , during the coronavirus disease (COVID-19) outbreak in Geneva, Switzerland, March 1, 2021. REUTERS/Denis Balibouse

People visit the Trevi's Fountain, amidst the coronavirus disease (COVID-19) outbreak, in Rome, Italy, February 27, 2021. REUTERS/Remo Casilli

People visit the Trevi's Fountain, amidst the coronavirus disease (COVID-19) outbreak, in Rome, Italy, February 27, 2021. REUTERS/Remo Casilli

A child in a carnival costume plays in water fountains after the parade was cancelled because of the coronavirus disease (COVID-19) pandemic in Valletta, Malta February 12, 2021. REUTERS/Darrin Zammit Lupi

People look at a fountain covered in icicles in Trafalgar Square, London, Britain February 11, 2021. REUTERS/Henry Nicholls

A photographer looks at a fountain covered in icicles in Trafalgar Square, London, Britain February 11, 2021. REUTERS/Henry Nicholls

A fountain covered in icicles is seen in Trafalgar Square, London, Britain February 11, 2021. REUTERS/Henry Nicholls

A fountain covered in icicles is seen in Trafalgar Square, London, Britain February 11, 2021. REUTERS/Henry Nicholls

A fountain covered in icicles is seen in Trafalgar Square, London, Britain February 11, 2021. REUTERS/Henry Nicholls

The Hammersley Fountain in Hanley Park is frozen, as Storm Darcy affects large parts of the country, in Hanley, Stoke-on-Trent, Britain, February 10, 2021. REUTERS/Carl Recine

The Hammersley Fountain in Hanley Park is frozen, as Storm Darcy affects large parts of the country, in Hanley, Stoke-on-Trent, Britain, February 10, 2021. REUTERS/Carl Recine

A person takes a picture of a fountain covered in icicles at Trafalgar Square, as Storm Darcy affects large parts of the country, in London, Britain, February 9, 2021. REUTERS/Toby Melville

A fountain covered in icicles is seen in Trafalgar Square, as Storm Darcy affects large parts of the country, in London, Britain, February 9, 2021. REUTERS/Toby Melville

A bird sits on top of an icicle covered fountain ornament in Trafalgar Square, as Storm Darcy affects large parts of the country, in London, Britain, February 9, 2021. REUTERS/Toby Melville

A person takes a picture of a bird that sits on top of an icicle covered fountain ornament in Trafalgar Square, as Storm Darcy affects large parts of the country, in London, Britain, February 9, 2021. REUTERS/Toby Melville

A bird sits on top of an icicle covered fountain ornament in Trafalgar Square, as Storm Darcy affects large parts of the country, in London, Britain, February 9, 2021. REUTERS/Toby Melville

A statue is seen covered with icicles and frozen water on the fountain of Trafalgar Square, as Storm Darcy affects large parts of the country, in London, Britain, February 8, 2021. REUTERS/John Sibley

A statue is seen covered with icicles and frozen water on the fountain of Trafalgar Square, as Storm Darcy affects large parts of the country, in London, Britain, February 8, 2021. REUTERS/John Sibley TPX IMAGES OF THE DAY

People build a snowman in the Bethesda Fountain as snow falls in Central Park in Manhattan, New York City, U.S., February 7, 2021. REUTERS/Andrew Kelly

People gather near the Bethesda Fountain as snow falls in Central Park in Manhattan, New York City, U.S., February 7, 2021. REUTERS/Andrew Kelly

People look at a frozen fountain in Bryant Park, amid the coronavirus disease (COVID-19) pandemic, in the Manhattan borough of New York City, New York, U.S., February 1, 2021. REUTERS/Carlo Allegri

A frozen fountain is pictured in Bryant Park, amid the coronavirus disease (COVID-19) pandemic, in the Manhattan borough of New York City, New York, U.S., February 1, 2021. REUTERS/Carlo Allegri

People sit next to a fountain at Piazza Navona as the spread of the coronavirus disease (COVID-19) continues, in Rome, Italy January 22, 2021. REUTERS/Guglielmo Mangiapane

A message reading the wish of a child "Everything should be back to normal" (top R) is left at a fountain at Frankfurt's main touristic hotspot "Roemerberg" during an extended lockdown as the spread of the coronavirus disease (COVID-19) continues in Frankfurt, Germany, January 21, 2021. REUTERS/Kai Pfaffenbach

A message reading the wish of a child "I wanna play hockey" (top R) is left at a fountain at Frankfurt's main touristic hotspot "Roemerberg" during an extended lockdown as the spread of the coronavirus disease (COVID-19) continues in Frankfurt, Germany, January 21, 2021. REUTERS/Kai Pfaffenbach

A message reading the wish of a child "I want to see whether my teacher is smiling" is seen at a fountain at Frankfurt's main touristic hotspot "Roemerberg" during an extended lockdown as the spread of the coronavirus disease (COVID-19) continues in Frankfurt, Germany, January 21, 2021. REUTERS/Kai Pfaffenbach

A glove and face mask float in a mosaic-covered water fountain amid Israel's third national lockdown to fight the coronavirus disease (COVID-19), in Ashkelon, Israel January 20, 2021. REUTERS/Amir Cohen

A man tries to break the ice of an icy fountain at Oriente square, next to the Royal Palace, after heavy snowfall in Madrid, Spain January 12, 2021. REUTERS/Juan Medina

A couple stand next to an icy fountain in Oriente square, next Royal Palace, after heavy snowfall in Madrid, Spain January 12, 2021. REUTERS/Juan Medina

Snow is pictured on top of the Cibeles fountain, in Madrid, Spain January 10, 2021. REUTERS/Susana Vera

Members of the military walk past the Cibeles fountain and the City Hall building after a heavy snowfall in Madrid, Spain January 10, 2021. REUTERS/Susana Vera

People take pictures next to a snowman near the Cibeles Fountain and the City Hall building during a heavy snowfall in Madrid, Spain January 9, 2021. REUTERS/Susana Vera

People take pictures by the Cibeles Fountain and the City Hall building during a heavy snowfall in Madrid, Spain January 9, 2021. REUTERS/Susana Vera

People are seen from the rooftop of the Circulo de Bellas Artes cultural center, as they stand and walk near the Cibeles Fountain during a heavy snowfall in Madrid, Spain January 9, 2021. REUTERS/Susana Vera

People are seen from the rooftop of the Circulo de Bellas Artes cultural center, as they stand and walk near the Cibeles Fountain and the City Hall building during a heavy snowfall in Madrid, Spain January 9, 2021. REUTERS/Susana Vera

People are seen from the rooftop of the Circulo de Bellas Artes cultural center, as they stand and walk near the Cibeles Fountain during a heavy snowfall in Madrid, Spain January 9, 2021. REUTERS/Susana Vera

People are seen from the rooftop of the Circulo de Bellas Artes cultural center, as they stand and walk near the Cibeles Fountain and the City Hall building during a heavy snowfall in Madrid, Spain January 9, 2021. REUTERS/Susana Vera

Fountains are lit blue in Trafalgar Square in support of the Clap for Heroes campaign following the spread of the coronavirus disease (COVID-19) pandemic, in London, Britain, January 7, 2021. REUTERS/Toby Melville

Fountains are lit blue in Trafalgar Square in support of the Clap for Heroes campaign following the spread of the coronavirus disease (COVID-19) pandemic, in London, Britain, January 7, 2021. REUTERS/Toby Melville

Fountains are lit blue in Trafalgar Square in support of the Clap for Heroes campaign following the spread of the coronavirus disease (COVID-19) pandemic, in London, Britain, January 7, 2021. REUTERS/Toby Melville

A general view shows the musical fountain in front of the Burj Khalifa, the tallest building in the world, in Dubai, United Arab Emirates, December 31, 2020. REUTERS/Ahmed Jadallah

A general view shows the musical fountain in front of the Burj Khalifa, the tallest building in the world, in Dubai, United Arab Emirates, December 31, 2020. REUTERS/Ahmed Jadallah

People watch live fountains at a shopping mall as The New Year countdown celebrations and crowded events were banned amid the spread of the coronavirus disease (COVID-19) in Bangkok, Thailand, December 31, 2020. REUTERS/Athit Perawongmetha

A person on a bicycle looks on near Trevi Fountain as Italy goes back to the coronavirus disease (COVID-19) lockdown, in Rome, Italy December 31, 2020. REUTERS/Guglielmo Mangiapane

A municipal police officer stands near Trevi Fountain as Italy goes back to the coronavirus disease (COVID-19) lockdown, in Rome, Italy December 31, 2020. REUTERS/Guglielmo Mangiapane

A person sits next to the Barcaccia fountain with Spanish steps in the background, as Italy goes back to lockdown as part of efforts put in place to curb the spread of the coronavirus disease (COVID-19), in Rome, Italy December 31, 2020. REUTERS/Guglielmo Mangiapane REFILE - CORRECTING NAME OF THE FOUNTAIN.

People wearing face masks walk in front of Trevi's Fountain ahead of Christmas under coronavirus disease (COVID-19) restrictions in Rome, Italy, December 17, 2020. REUTERS/Yara Nardi

People wearing face masks walk in front of Trevi's Fountain ahead of Christmas under coronavirus disease (COVID-19) restrictions in Rome, Italy, December 17, 2020. REUTERS/Yara Nardi

A woman wearing a face mask walks with a dog near Trevi's Fountain, ahead of Christmas under coronavirus disease (COVID-19) restrictions, in Rome, Italy, December 17, 2020. REUTERS/Yara Nardi

Demonstrators stick the slogan "Police kills" on the fountain of the Place du Chatelet during a demonstration against the "Global Security Bill'', that right groups say would make it a crime to circulate an image of a police officer's face and would infringe journalists' freedom in the country, in Paris, France, December 12, 2020. REUTERS/Charles Platiau

Demonstrators stick the slogan "Police kills" on the fountain of the Place du Chatelet during a demonstration against the "Global Security Bill'', that right groups say would make it a crime to circulate an image of a police officer's face and would infringe journalists' freedom in the country, in Paris, France, December 12, 2020. REUTERS/Charles Platiau

Reverend Al Sharpton is seen in the foreground as Philonise Floyd, brother of George Floyd, whose death in Minneapolis police custody has sparked nationwide protests against racial inequality, wipes tears after speaking during the public viewing of Floyd at The Fountain of Praise church in Houston, Texas, U.S., June 8, 2020. REUTERS/Adrees Latif/File Photo SEARCH "POY BLM" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY REFILE - CORRECTING INFORMATION

As she poses for a photo a woman leaps off a fountain that has been converted into a holiday season display during the coronavirus (COVID-19) pandemic in the Manhattan borough of New York City, New York, U.S., December 4, 2020. REUTERS/Carlo Allegri

People stand in front of a fountain during a Christmas light trail show, amid the coronavirus disease (COVID-19) outbreak, at Alnwick Gardens, in Alnwick, Northumberland, Britain December 4, 2020. REUTERS/Lee Smith

People stand in front of a fountain during a Christmas light trail show, amid the coronavirus disease (COVID-19) outbreak, at Alnwick Gardens, in Alnwick, Northumberland, Britain December 4, 2020. REUTERS/Lee Smith

People stand in front of a fountain during a Christmas light trail show, amid the coronavirus disease (COVID-19) outbreak, at Alnwick Gardens, in Alnwick, Northumberland, Britain December 4, 2020. REUTERS/Lee Smith

Children look at a fountain during a Christmas light trail show, amid the coronavirus disease (COVID-19) outbreak, at Alnwick Gardens, in Alnwick, Northumberland, Britain December 4, 2020. REUTERS/Lee Smith