A combination picture shows an empty Retiro Park and the Fountain of the Fallen Angel (top) in Madrid on May 24, 2020 and people walking through a park as it is reopened for the first time in more than 2 months amid the coronavirus disease (COVID-19) outbreak, in Madrid, Spain May 25, 2020. REUTERS/Sergio Perez

A view of the Fountain of the Fallen Angel at an empty Retiro Park amid the coronavirus disease (COVID-19) outbreak in Madrid, Spain May 24, 2020. Picture taken May 24, 2020. REUTERS/Sergio Perez

People walk past the Fountain of the Fallen Angel as they enjoy the sunny weather at Retiro Park which reopened for the first time in more than 2 months amid the coronavirus disease (COVID-19) outbreak in Madrid, Spain May 25, 2020. REUTERS/Sergio Perez

The normally crowded fountain plaza outside 1251 6th Avenue is seen nearly empty at midday in midtown Manhattan during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 21, 2020. REUTERS/Mike Segar

People gather around the fountain of the newly renovated Omonia square, in Athens, Greece, May 14, 2020. Picture taken with long exposure. REUTERS/Alkis Konstantinidis

People gather around the fountain of the newly renovated Omonia square, in Athens, Greece, May 14, 2020. Picture taken with long exposure. REUTERS/Alkis Konstantinidis

A man walks past Pulitzer Fountain and a closed Apple Store as streets remain relatively quiet due to the continuing outbreak of the coronavirus disease (COVID-19) in the Manhattan borough of New York U.S., May 5, 2020. Picture taken May 5, 2020 at 9:43AM. REUTERS/Lucas Jackson

From left, Brody, 9, Ailbe, 5, and Riggs, 6, play with coins in a fountain on a hot day at Desert Ridge Marketplace during the phased reopening from coronavirus disease (COVID-19) restrictions in north Phoenix, Arizona, U.S. May 11, 2020. REUTERS/Nicole Neri

Riggs, 6, plays with coins in a fountain on a hot day at Desert Ridge Marketplace during the phased reopening from coronavirus disease (COVID-19) restrictions in north Phoenix, Arizona, U.S. May 11, 2020. REUTERS/Nicole Neri

A woman wearing a protective face mask depicting the French flag talks with a friend near a fountain in Lille, after France begun a gradual end to a nationwide lockdown due to the coronavirus disease (COVID-19) in France, May 11, 2020. REUTERS/Pascal Rossignol

A woman wearing a protective face mask depicting the French flag talks with a friend near a fountain in Lille, after France begun a gradual end to a nationwide lockdown due to the coronavirus disease (COVID-19) in France, May 11, 2020. REUTERS/Pascal Rossignol

The full moon, also known as the Supermoon or Flower Moon, rises over a fountain in New Delhi, India, May 7, 2020. REUTERS/Adnan Abidi

A man holding a protective face mask stands in front of the Trevi Fountain, as Italy begins to ease some of the restrictions of the coronavirus disease (COVID-19) lockdown, in Rome, Italy May 7, 2020. REUTERS/Guglielmo Mangiapane

People walk in front of the Trevi Fountain, as Italy begins to ease some of the restrictions of the coronavirus disease (COVID-19) lockdown, in Rome, Italy May 7, 2020. REUTERS/Guglielmo Mangiapane

A man wears a protective face mask and gloves in front of the Trevi Fountain, as Italy begins to ease some of the restrictions of the coronavirus disease (COVID-19) lockdown, in Rome, Italy May 7, 2020. REUTERS/Guglielmo Mangiapane

A man uses his mobile phone in front of the Trevi Fountain, as Italy begins to ease some of the restrictions of the coronavirus disease (COVID-19) lockdown, in Rome, Italy May 7, 2020. REUTERS/Guglielmo Mangiapane

A cyclist passes the Trevi Fountain, as Italy begins to ease some of the restrictions of the coronavirus disease (COVID-19) lockdown, in Rome, Italy May 7, 2020. REUTERS/Guglielmo Mangiapane

People wearing face masks look at a fountain at a shopping mall during Labour Day holiday, following an outbreak of the coronavirus disease (COVID-19), in Beijing, China May 5, 2020. REUTERS/Carlos Garcia Rawlins

A child wearing a face mask plays with fountains at the Sanlitun shopping area in Beijing during Labour Day holiday, following the novel coronavirus disease (COVID-19) outbreak, China May 4, 2020. REUTERS/Tingshu Wang

People take a break from running at a small fountain, during the hours allowed for individual exercise, for the first time since the lockdown was announced on March 14, amid the coronavirus disease (COVID-19) outbreak, on the outskirts of Ronda, Spain, May 2, 2020. REUTERS/Jon Nazca

A classroom chair rests between two dismantled water fountains at the Edmondson Westside High School Polling site, during the special election for Maryland's 7th congressional district seat, previously held by Rep. Elijah Cummings (D-MD), in Baltimore, Maryland, U.S., April 28, 2020. REUTERS/Tom Brenner

A girl plays in a fountain at the Guggenheim Museum, after restrictions were partially lifted for children for the first time in six weeks, during the coronavirus disease (COVID-19) outbreak in Bilbao, Spain, April 26, 2020. REUTERS/Vincent West

Ducks relax in a fountain in a quiet Trafalgar Square during the early hours, as the city at night is deserted like never before while the coronavirus disease (COVID-19) lockdown continues, in London, Britain April 22, 2020. Picture taken April 22, 2020. REUTERS/Dylan Martinez

A bronze shield of the Nova Scotia coat of arms is pictured in the Centennial Flame fountain on Parliament Hill in Ottawa, Ontario, Canada April 20, 2020. REUTERS/Blair Gable

A bronze shield of the Nova Scotia coat of arms is pictured in the Centennial Flame fountain on Parliament Hill in Ottawa, Ontario, Canada April 20, 2020. REUTERS/Blair Gable

Man wearing a mask sits next to a fountain at Trafalgar Square, as the spread of the coronavirus disease (COVID-19) continues, London, Britain, April 19, 2020. REUTERS/Simon Dawson

A dog drinks water from a fountain as a woman sits next during the outbreak of the coronavirus disease (COVID-19), in Rome, Italy, April 19, 2020. REUTERS/Alberto Lingria

A view of the empty Barcaccia fountain and the Spanish Steps as the spread of coronavirus disease (COVID-19) continues in Rome, Italy, April 6, 2020. Picture taken with a fish-eye lens. REUTERS/Alberto Lingria

A statue on the Fountain of Neptune is seen in front of an Italian flag on Palm Sunday, following the coronavirus disease (COVID-19) outbreak, in Naples, Italy April 5, 2020. REUTERS/Ciro De Luca

Children ride their bicycles in front of the fountain in Piazza Navona, as Italians remain under lockdown to prevent the spread of the coronavirus disease (COVID-19), in Rome, Italy, April 4, 2020. REUTERS/Alberto Lingria

The fountains at Caesars Palace are empty during the shutdown of all casinos and nonessential businesses, an effort to slow the spread of the novel coronavirus, in Las Vegas, Nevada, U.S. April 3, 2020. REUTERS/Steve Marcus

The Spanish flag flutters at half mast next to the Cibeles fountain during the coronavirus disease (COVID-19) outbreak, in Madrid, Spain March 31, 2020. REUTERS/Sergio Perez

An empty Di Trevi fountain is pictured as Italy tightens measures to try and contain the spread of coronavirus disease (COVID-19), in Rome, Italy March 24, 2020. REUTERS/Alberto Lingria

An empty Di Trevi fountain is pictured as Italy tightens measures to try and contain the spread of coronavirus disease (COVID-19), in Rome, Italy March 24, 2020. REUTERS/Alberto Lingria

A combination picture shows people watching a musical fountain in front of the Burj Khalifa, the tallest building in the world, in Dubai, United Arab Emirates, March 12, 2020 and the same area seen mostly deserted, amid concerns over the spread of the coronavirus disease (COVID-19), March 23, 2020. Picture taken March 12, 2020 and March 23, 2020. REUTERS/Satish Kumar (top)/Christopher Pike

People watch a musical fountain in front of the Burj Khalifa, the tallest building in the world, in Dubai, United Arab Emirates, March 12, 2020. Picture taken March 12, 2020. REUTERS/Satish Kumar

Trevi Fountain in Rome is seen deserted as Italians stay home as part of a lockdown against the spread of coronavirus disease (COVID-19) in Rome, Italy March 22, 2020. REUTERS/Alberto Lingria

Trevi Fountain in Rome is seen deserted as Italians stay home as part of a lockdown against the spread of coronavirus disease (COVID-19) in Rome, Italy March 22, 2020. REUTERS/Alberto Lingria

A combination picture shows Sara, 35, posing with her dog named Jueves in an almost empty Puerta del Sol square (top L), Nano, 45, posing with his dog named Frida next to the Puerta de Alcala (Alcala's Gate) (top R) March 21, 2020, Kevin, 35, posing with his dog named Katnis outside Las Ventas bullring (bottom L), and Maria del Carmen, 65, posing with her dog named Pulgas next to the Cibeles Fountain and City Hall building (bottom R) March 22, 2020 during partial lockdown as part of a 15-day state of emergency to combat the coronavirus disease (COVID-19) outbreak in Madrid, Spain. REUTERS/Sergio Perez

Maria del Carmen, 65, poses with her dog named Pulgas next to the Cibeles Fountain and City Hall building during the partial lockdown as part of a 15-day state of emergency to combat the coronavirus disease (COVID-19) outbreak in Madrid, Spain, March 22, 2020. REUTERS/Sergio Perez

A woman jogs around the fountain at Lincoln Center during the coronavirus disease (COVID-19) outbreak in New York City, March 18, 2020. REUTERS/Gabriella Borter

A view shows a fountain on the Place de la Concorde with the deserted Pont de la Concorde bridge and the National Assembly in the background in Paris as a lockdown is imposed to slow the spreading of the coronavirus disease (COVID-19) in France, March 18, 2020. REUTERS/Gonzalo Fuentes

Tourists gather to watch a musical fountain in front of the Burj Khalifa, the tallest building in the world, in Dubai, United Arab Emirates March 12, 2020. Picture taken March 12, 2020. REUTERS/Satish Kumar

Police officers stand in an almost empty Di Trevi fountain as the Italian government continues restrictive movement measures to combat the coronavirus outbreak, in Rome, Italy March 14, 2020. REUTERS/Alberto Lingria

An empty Di Trevi fountain is seen as the Italian government continues restrictive movement measures to combat the coronavirus outbreak, in Rome, Italy March 14, 2020. REUTERS/Alberto Lingria

An empty Di Trevi fountain is seen as the Italian government continues restrictive movement measures to combat the coronavirus outbreak, in Rome, Italy March 14, 2020. REUTERS/Alberto Lingria

An empty Di Trevi fountain is seen as the Italian government continues restrictive movement measures to combat the coronavirus outbreak, in Rome, Italy March 14, 2020. REUTERS/Alberto Lingria

An empty Di Trevi fountain is seen as the Italian government continues restrictive movement measures to combat the coronavirus outbreak, in Rome, Italy March 14, 2020. REUTERS/Alberto Lingria

A boy refreshes his hands in a fountain after regional authorities postponed the Fallas Festival amidst coronavirus concerns in Valencia, Spain, March 11, 2020. REUTERS/Susana Vera

A couple kiss while wearing protective face masks in front of the Trevi fountain, after a decree ordered for the whole of Italy to be put on lockdown in an unprecedented clampdown aimed at beating the coronavirus, in Rome, Italy, March 10, 2020. REUTERS/Yara Nardi TPX IMAGES OF THE DAY

A woman jumps as she poses for a photo, next to the Trevi fountain, virtually deserted after a decree orders for the whole of Italy to be on lockdown in an unprecedented clampdown aimed at beating the coronavirus, in Rome, Italy, March 10, 2020. REUTERS/Guglielmo Mangiapane

A man wearing a protective face mask walks next to the Trevi fountain, virtually deserted after a decree orders for the whole of Italy to be on lockdown in an unprecedented clampdown aimed at beating the coronavirus, in Rome, Italy, March 10, 2020. REUTERS/Guglielmo Mangiapane

A man wearing a protective face mask walks next to the Trevi fountain, virtually deserted as Italy fights a coronavirus outbreak, in Rome, Italy, March 10, 2020. REUTERS/Guglielmo Mangiapane

Military members patrol the Trevi fountain, virtually deserted as Italy fights a coronavirus outbreak, in Rome, Italy, March 10, 2020. REUTERS/Guglielmo Mangiapane

A military member patrols the Trevi fountain, virtually deserted as Italy fights a coronavirus outbreak, in Rome, Italy, March 10, 2020. REUTERS/Guglielmo Mangiapane

People march next to a fountain where activists poured red dye to the water to represent the blood of the victims of gender violence and femicides during International Women's Day in Mexico City, Mexico March 8, 2020. REUTERS/Luisa Gonzalez

A Border Patrol detention area in El Paso meant to hold 50 migrants along with benches, toilets, and water fountains while agents process paperwork after arresting them in El Paso, Texas, U.S., February 25, 2020. REUTERS/Julio-Cesar Chavez

People wearing protective masks rest next the Barcaccia fountain in Spanish square in Rome, Italy, February 25, 2020. REUTERS/Remo Casilli

Biathlon - 2020 Biathlon World Championships - Men 20 km Individual Competition - Antholz-Anterselva, Italy - February 19, 2020 France's Martin Fourcade and Britain's Vinny Fountain in action REUTERS/Leonhard Foeger

Tourists wearing protective masks take a selfie in front of ther Trevi's Fountain after two cases of coronavirus were confirmed in in the country, in Rome, Italy January 31, 2020. REUTERS/Remo Casilli