A fire breather participates in an anti-lockdown protest during a demonstration on the South Bank, amid the outbreak of the coronavirus disease (COVID-19), in London, Britain December 31, 2020. REUTERS/Henry Nicholls

A healthcare worker wearing protective equipment takes a breather as healthcare personnel treat patients with the coronavirus disease (COVID-19) at a hospital in Lakin, Kansas, U.S., November 19, 2020. Picture taken November 19, 2020. REUTERS/Callaghan O'Hare

A domestic worker who has been working in the United States for 33 years has her tourist visa affected as new travel restrictions aimed at containing coronavirus disease (COVID-19) have stopped millions of Mexicans living close to the U.S. border from crossing back and forth, in Ciudad Juarez, Mexico March 30, 2020. REUTERS/Jose Luis Gonzalez

A young man sits alone next to empty park benches during the outbreak of the coronavirus disease (COVID-19) in Encinitas, California, U.S., March 30, 2020. REUTERS/Mike Blake

People spend time outside in front of the Reichstag building, the seat of the lower house of parliament Bundestag in Berlin, Germany, March 22, 2020, as the spread of the coronavirus disease (COVID-19) continues. REUTERS/Michele Tantussi

A man flies a kite amid the coronavirus disease (COVID-19) outbreak at Fort Worden State Park in Port Townsend, Washington, U.S., March 21, 2020. REUTERS/Brian Snyder

A green sea turtle is seen as water splashes next to it inside a pool at the Israeli Sea Turtle Rescue Center, in Mikhmoret north of Tel Aviv, Israel September 23, 2019. Picture taken September 23, 2019. REUTERS/Amir Cohen

A fossa rests near a cabin in the Kirindy forest reserve near the city of Morondava, Madagascar, September 1, 2019. Picture taken September 1, 2019. REUTERS/Baz Ratner

A zebra rubs its head against another at London Zoo, London, Britain, August 22, 2019. REUTERS/Toby Melville

A boat sails next to the shore in Port-au-Prince, Haiti, July 29, 2019. REUTERS/Andres Martinez Casares

A man paddles in the waters of the Ionian Sea near Sidari settlement on the island of Corfu, Greece July 26, 2019. REUTERS/Vasily Fedosenko

A woman swims in a public pool as temperatures reach new record highs in Hanau, near Frankfurt, Germany, July 24, 2019. REUTERS/Kai Pfaffenbach

A woman relaxes on the beach where temperatures reached 38 degrees at Deauville, France July 23, 2019. REUTERS/Kevin Coombs TPX IMAGES OF THE DAY

People protect themselves from the sun with parasols while rowing in Central Park as a heatwave continues to affect the region in New York, U.S., July 21, 2019. REUTERS/Andrew Kelly

The shadow of a child is cast on a beach in the city of Vina del Mar, Chile July 14, 2019. REUTERS/Rodrigo Garrido

Surfing boards are seen on the beach at the Mediterranean Sea during a summer camp activity in Ashkelon, Israel July 10, 2019. REUTERS/Amir Cohen

Palestinians ride a boat in the Mediterranean Sea as others enjoy the beach during sunset on a hot day in the northern Gaza Strip July 9, 2019. REUTERS/Mohammed Salem

Palestinians ride a boat in the Mediterranean Sea in the northern Gaza Strip July 9, 2019. REUTERS/Mohammed Salem

Palestinians ride a boat in the Mediterranean Sea in the northern Gaza Strip July 9, 2019. REUTERS/Mohammed Salem

A surfer walks on Arpoador Beach in Rio de Janeiro, Brazil, July 8, 2019. REUTERS/Sergio Moraes

A child enjoys the Arpoador beach in Rio de Janeiro, Brazil, July 8, 2019. REUTERS/Sergio Moraes

A person walks in Athalassa Park in Nicosia, Cyprus July 7, 2019. REUTERS/Yiannis Kourtoglou

A couple rides on a zip line in village Rudopolje, Croatia July 5, 2019. REUTERS/Antonio Bronic

A woman rides on a zip line in village Rudopolje, Croatia, July 5, 2019. REUTERS/Antonio Bronic

Girls play on Barra beach in Rio de Janeiro, Brazil December 11, 2018. REUTERS/Sergio Moraes

A man lies in a doorway as a child sleeps in a baby basket called 'bilum' in a stilt house at Hanuabada Village, located in Port Moresby Harbour, Papua New Guinea, November 19, 2018. Picture taken November 19, 2018. REUTERS/David Gray

A man rests at the Murillo square in La Paz, Bolivia, September 24, 2018. REUTERS/David Mercado

A visitor rests during the opening day of the 185th Oktoberfest in Munich, Germany September 22, 2018. REUTERS/Andreas Gebert

Bob Gantt, 88, takes a breather on his carport while removing the contents of the home he shares with his wife Virginia before flood waters arrive in the aftermath of Hurricane Florence now downgraded to a tropical depression in Conway, South Carolina, U.S. September 19, 2018. REUTERS/Randall Hill

A woman shades herself from the sun under a hat as she lays on the beach in Brighton, Britain, September 17, 2018. Picture taken September 17, 2018. REUTERS/Hannah McKay

A man takes a rest while waiting for customers at luna park in Damascus, Syria, September 12, 2018. Picture taken September 12, 2018. REUTERS/Marko Djurica

A cat sleeps inside a coffee shop in downtown Belgrade, Serbia September 6, 2018. REUTERS/Marko Djurica

A man waits for sunset at a viewpoint at Alqueva reservoir, the largest artificial lake in the EU, near Monsaraz, Portugal, August 8, 2018. REUTERS/Rafael Marchante SEARCH "MARCHANTE ALQUEVA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A camel resting on a beach in the Aqaba Gulf on the Red Sea resort of Sharm el-Sheikh, Egypt July 12, 2018. Picture taken July 12, 2018. REUTERS/Amr Abdallah Dalsh

A man lies on the grass in Bryant Park as high temperatures hit the region in Manhattan, New York, U.S., August 29, 2018. REUTERS/Andrew Kelly

Cats sleep in the village of Krompach near the town of Cvikov, Czech Republic, August 26, 2018. REUTERS/David W Cerny TPX IMAGES OF THE DAY

A man sits under an umbrella as he overlooks the Mediterranean Sea as a heatwave with high temperatures continues in Marseille, France, August 7, 2018.   REUTERS/Philippe Laurenson 

A man cools off under a beach shower as a heatwave with high temperatures continues in Marseille, France, August 7, 2018.   REUTERS/Philippe Laurenson 

An aerial view shows people at a beach on the shores of lake Silbersee (Silver Lake) during a long-lasting heatwave over central Europe in Haltern, Germany, August 4, 2018. REUTERS/Wolfgang Rattay TPX IMAGES OF THE DAY

An aerial view shows people at a beach on the shores of lake Silbersee (Silver Lake) during a long-lasting heatwave over central Europe in Haltern, Germany, August 4, 2018. REUTERS/Wolfgang Rattay

An aerial view shows people at a beach on the shores of lake Silbersee (Silver Lake) during a long-lasting heatwave over central Europe in Haltern, Germany, August 4, 2018. REUTERS/Wolfgang Rattay

An aerial view shows people at a beach on the shores of lake Silbersee (Silver Lake) during a long-lasting heatwave over central Europe in Haltern, Germany, August 4, 2018. REUTERS/Wolfgang Rattay

An aerial view shows people at a beach on the shores of lake Silbersee (Silver Lake) during a long-lasting heatwave over central Europe in Haltern, Germany, August 4, 2018. REUTERS/Wolfgang Rattay

A man sunbathes in front of the Vasco da Gama bridge in Lisbon, Portugal August 4, 2018. REUTERS/Rafael Marchante

A man wears a 'mortar board' hat as he relaxes on a deckchair following a graduation ceremony for students at University of Brighton in Brighton, southern Britain, August 3, 2018. REUTERS/Toby Melville

A man cools off by the sea as the temperature soars throughout the country, in Ostia, west of Rome, Italy, August 2, 2018. REUTERS/Max Rossi

A sunbather lays on the dry grass in St James's Park, in central London, Britain July 24, 2018. REUTERS/Hannah McKay TPX IMAGES OF THE DAY

People enjoy bathing at the beach at Travemuende at the Baltic Sea, Germany, July 24, 2018. REUTERS/Fabian Bimmer

People enjoy bathing at the beach at Travemuende at the Baltic Sea, Germany, July 24, 2018. REUTERS/Fabian Bimmer

People enjoy bathing at the beach at Travemuende at the Baltic Sea, Germany, July 24, 2018. REUTERS/Fabian Bimmer

People enjoy bathing at the beach at Travemuende at the Baltic Sea, Germany, July 24, 2018. REUTERS/Fabian Bimmer

A sunbather lays on the dry grass in St James's Park, in central London, Britain July 24, 2018. REUTERS/Hannah McKay

A sunbather lays on the dry grass in St James's Park, in central London, Britain July 24, 2018. REUTERS/Hannah McKay

Deckchairs are seen on parched grass in Hyde Park in London, Britain, July 20, 2018. REUTERS/Toby Melville

People cool off in the ocean at Cardiff State beach in Encinitas, California, U.S. July 6, 2018. REUTERS/Mike Blake

Visitors relax on deckchairs in the sunshine on the beach by Brighton Pier in Brighton, Britain, June 28, 2018. REUTERS/Henry Nicholls

A woman relaxes by the Black Sea in Sochi, a host city for the 2018 FIFA World Cup, Russia June 17, 2018. REUTERS/Hannah McKay

People spend their time by the sea at Rajska (Paradise) beach in Lopar, Rab island, Croatia, June 14, 2018. REUTERS/Antonio Bronic

Dara Sakor beach in seen near Dara Sakor Hotel at Botum Sakor in Koh Kong province, Cambodia, May 6, 2018. Picture taken May 6, 2018. REUTERS/Samrang Pring

A farmer takes a rest inside freshly harvested wheat at a field in Minya governorate, south of Cairo, Egypt May 16, 2018. Picture taken May 16, 2018. REUTERS/Amr Abdallah Dalsh TPX IMAGES OF THE DAY