Flames rise as a fire burns at the Moria camp for refugees and migrants on the island of Lesbos, Greece, September 9, 2020. REUTERS/Elias Marcou 

A trawler fishes front of the beach in Wissant, France, August 20, 2020. Picture taken August 20, 2020. REUTERS/Pascal Rossignol 

A trawler fishes front of the beach in Wissant, France, August 20, 2020. Picture taken August 20, 2020. REUTERS/Pascal Rossignol 

A trawler fishes front of the beach in Wissant, France, August 20, 2020. Picture taken August 20, 2020. REUTERS/Pascal Rossignol 

A trawler fishes front of the beach in Wissant, France, August 20, 2020. Picture taken August 20, 2020. REUTERS/Pascal Rossignol 

A trawler fishes front of the beach in Wissant, France, August 20, 2020. Picture taken August 20, 2020. REUTERS/Pascal Rossignol 

An empty trail with few foot prints is seen near the Breckenridge Ski Resort as the spread of the coronavirus disease (COVID-19) continues, in Breckenridge, Colorado, U.S., April 13, 2020. REUTERS/Shannon Stapleton 

People on the beach in Whitstable at sunset, as the spread of the coronavirus disease (COVID-19) continues, Whitstable, Britain, April 13, 2020. REUTERS/Adam Oliver 

The sun sets in Milton Keynes, as the spread of the coronavirus disease (COVID-19) continues, Milton Keynes, Britain, April 13, 2020. REUTERS/Matthew Childs 

A person on the beach in Portstewart, as the spread of the coronavirus disease (COVID-19) continues, Portstewart, Northern Ireland, April 13, 2020. REUTERS/Jason Cairnduff 

People on the beach in Portstewart, as the spread of the coronavirus disease (COVID-19) continues, Portstewart, Northern Ireland, April 13, 2020. REUTERS/Jason Cairnduff 

People on the beach in Portstewart, as the spread of the coronavirus disease (COVID-19) continues, Portstewart, Northern Ireland, April 13, 2020. REUTERS/Jason Cairnduff 

People on the beach as Mussenden Temple is seen in the distance, as the spread of the coronavirus disease (COVID-19) continues, Portstewart, Northern Ireland, April 13, 2020. REUTERS/Jason Cairnduff 

People on the beach as Mussenden Temple is seen in the distance, as the spread of the coronavirus disease (COVID-19) continues, Portstewart, Northern Ireland, April 13, 2020. REUTERS/Jason Cairnduff 

People on the beach as Mussenden Temple is seen in the distance, as the spread of the coronavirus disease (COVID-19) continues, Portstewart, Northern Ireland, April 13, 2020. REUTERS/Jason Cairnduff 

People on the beach as Mussenden Temple is seen in the distance, as the spread of the coronavirus disease (COVID-19) continues, Portstewart, Northern Ireland, April 13, 2020. REUTERS/Jason Cairnduff 

Soy plants are seen at sunset on a farmland in Chivilcoy, on the outskirts of Buenos Aires, Argentina April 8, 2020. Picture taken April 8, 2020. REUTERS/Agustin Marcarian 

Soy plants are seen at sunset on a farmland in Chivilcoy, on the outskirts of Buenos Aires, Argentina April 8, 2020. Picture taken April 8, 2020. REUTERS/Agustin Marcarian 

Soy plants are seen at sunset on a farmland in Chivilcoy, on the outskirts of Buenos Aires, Argentina April 8, 2020. Picture taken April 8, 2020. REUTERS/Agustin Marcarian 

Soy plants are seen on a farmland in Chivilcoy, on the outskirts of Buenos Aires, Argentina April 8, 2020. Picture taken April 8, 2020. REUTERS/Agustin Marcarian 

Soy plants are seen at sunset on a farmland in Chivilcoy, on the outskirts of Buenos Aires, Argentina April 8, 2020. Picture taken April 8, 2020. REUTERS/Agustin Marcarian 

Soy plants are seen at sunset on a farmland in Chivilcoy, on the outskirts of Buenos Aires, Argentina April 8, 2020. Picture taken April 8, 2020. REUTERS/Agustin Marcarian 

Corn plants are seen on a farmland in Chivilcoy, on the outskirts of Buenos Aires, Argentina April 8, 2020. Picture taken April 8, 2020. REUTERS/Agustin Marcarian 

A bird flies next to electricity pylons after the air pollution level started to drop during a 21-day nationwide lockdown to slow the spreading of coronavirus disease (COVID-19), in the old quarters of Delhi, India, April 13, 2020. REUTERS/Adnan Abidi 

Soy plants are seen on a farmland in Chivilcoy, on the outskirts of Buenos Aires, Argentina April 8, 2020. Picture taken April 8, 2020. REUTERS/Agustin Marcarian 

Soy plants are seen on a farmland in Chivilcoy, on the outskirts of Buenos Aires, Argentina April 8, 2020. Picture taken April 8, 2020. REUTERS/Agustin Marcarian 

A combination picture shows birds flying next to electricity pylons on October 30, 2019 and after air pollution level started to drop during a 21-day nationwide lockdown to slow the spreading of coronavirus disease (COVID-19), in the old quarters of Delhi, India, April 13, 2020. REUTERS/Adnan Abidi 

A combine harvester is used to harvest soybeans on a farmland in Chivilcoy, on the outskirts of Buenos Aires, Argentina April 8, 2020. Picture taken April 8, 2020. REUTERS/Agustin Marcarian 

Corn plants are seen on a farmland in Chivilcoy, on the outskirts of Buenos Aires, Argentina April 8, 2020. Picture taken April 8, 2020. REUTERS/Agustin Marcarian 

Corn plants are seen on a farmland in Chivilcoy, on the outskirts of Buenos Aires, Argentina April 8, 2020. Picture taken April 8, 2020. REUTERS/Agustin Marcarian 

Corn plants are seen on a farmland in Chivilcoy, on the outskirts of Buenos Aires, Argentina April 8, 2020. Picture taken April 8, 2020. REUTERS/Agustin Marcarian 

A woman walks in heavy rain and high winds on a nearly empty sidewalk on 5th Avenue in Manhattan during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., April 13, 2020. REUTERS/Mike Segar 

General view of a sign near Lake Windermere, as the spread of the coronavirus disease (COVID-19) continues, Ambleside, Britain, April 13, 2020. REUTERS/Lee Smith 

The Autobahn A5 motorway near Moerfelden is seen almost empty as the spread of the coronavirus disease (COVID-19) continues in Moerfelden near Frankfurt, Germany, April 13, 2020. REUTERS/Ralph Orlowski 

General view of Lake Windermere, as the spread of the coronavirus disease (COVID-19) continues, Ambleside, Britain, April 13, 2020. REUTERS/Lee Smith 

The Autobahn A5 motorway near Moerfelden is seen almost empty as the spread of the coronavirus disease (COVID-19) continues in Moerfelden near Frankfurt, Germany, April 13, 2020. REUTERS/Ralph Orlowski 

REFILE - CORRECTING CAPTION A message is seen on the side of a beach shed in Margate as the spread of the coronavirus disease (COVID-19) continues, Margate, Britain, April 13, 2020. REUTERS/Andrew Couldridge 

A No Access sign is seen at the beach in Blackpool, as the spread of the coronavirus disease (COVID-19) continues, Blackpool, Britain, April 13, 2020. REUTERS/Molly Darlington TPX IMAGES OF THE DAY 

A sign asking for people to stay at home is seen in Eyam, as the spread of the coronavirus disease (COVID-19) continues, Eyam, Britain, April 13, 2020. REUTERS/Carl Recine 

A sign asking for people to stay at home is seen in Eyam, as the spread of the coronavirus disease (COVID-19) continues, Eyam, Britain, April 13, 2020. REUTERS/Carl Recine 

A reflection of St. Paul's Cathedral is seen, as the spread of the coronavirus disease (COVID-19) continues, London, Britain, April 13, 2020. REUTERS/Hannah McKay 

Sheep are seen at Sycamore Gap, as the spread of the coronavirus disease (COVID-19) continues, Bardon Mill, Britain, April 13, 2020. REUTERS/Lee Smith 

General view of the Sycamore Gap tree, as the spread of the coronavirus disease (COVID-19) continues, Bardon Mill, Britain, April 13, 2020. REUTERS/Lee Smith 

A sign, warning the public not to trespass into the Quinault Indian Reservation, stands on the side of a road in Taholah, Washington, U.S., March 2, 2020. REUTERS/Stephanie Keith SEARCH ''QUINAULT CLIMATE CHANGE'' FOR THIS STORY. SEARCH ''WIDER IMAGE'' FOR ALL STORIES. 

A coastline of the Pacific Ocean, damaged by erosion, is seen on the Quinault Indian Reservation in Taholah, Washington, U.S. March 4, 2020. REUTERS/Stephanie Keith SEARCH ''QUINAULT CLIMATE CHANGE'' FOR THIS STORY. SEARCH ''WIDER IMAGE'' FOR ALL STORIES. 

Elephant Rock, a rock formation, stands off the coast on the Quinault Indian Reservation in Taholah, Washington, U.S., March 2, 2020. Several years ago ''the trunk'' of Elephant Rock succumbed to coastal erosion. The damage to the iconic Quinault landmark has made tribal members more aware of the impacts of climate change. REUTERS/Stephanie Keith SEARCH ''QUINAULT CLIMATE CHANGE'' FOR THIS STORY. SEARCH ''WIDER IMAGE'' FOR ALL STORIES. 

A closure sign is seen at East Coast Beach, after all beaches were closed as part of measures to curb the spread of the coronavirus disease (COVID-19) in Singapore in Singapore, April 13, 2020. REUTERS/Edgar Su 

An aerial view of deserted July 15 Martyrs' Bridge, known as the Bosphorus Bridge, during a two-day curfew which was imposed to prevent the spread of the coronavirus disease (COVID-19), in Istanbul, Turkey, April 12, 2020. Picture taken with a drone. REUTERS/Umit Bektas 

An aerial view of deserted Fatih Sulhan Mehmet Bridge during a two-day curfew which was imposed to prevent the spread of the coronavirus disease (COVID-19), in Istanbul, Turkey, April 12, 2020. Picture taken with a drone. REUTERS/Umit Bektas 

An aerial view of a deserted highway during a two-day curfew which was imposed to prevent the spread of the coronavirus disease (COVID-19), in Istanbul, Turkey, April 12, 2020. Picture taken with a drone. REUTERS/Umit Bektas 

An aerial view of a deserted highway during a two-day curfew which was imposed to prevent the spread of the coronavirus disease (COVID-19), in Istanbul, Turkey, April 12, 2020. Picture taken with a drone. REUTERS/Umit Bektas 

A man biles at sunset, as the spread of the coronavirus disease (COVID-19) continues, in Berlin, Germany, April 12, 2020. REUTERS/Annegret Hilse 

The Bald Knob Cross of Peace is illuminated during a sunrise Easter service, a service which typically sees thousands of people each year but this year was closed to the public and moved to a television broadcast due to health guidelines in regard to the coronavirus disease (COVID-19) outbreak in Alto Pass, Illinois, U.S. April 12, 2020. REUTERS/Brian Munoz 

A pigeons fly in front of the Duomo Cathedral, amidst the coronavirus disease (COVID-19) spread, on Easter Sunday, in Milan, Italy, April 12, 2020. REUTERS/Flavio Lo Scalzo 

The Life Tabernacle megachurch is seen as local residents attend Easter mass challenging state orders against assembling in large groups to prevent the spread of coronavirus disease (COVID-19) in Baton Rouge Louisiana U.S., April 12, 2020. REUTERS/Carlos Barria 

The A23 is seen almost empty near Handcross, as the spread of the coronavirus disease (COVID-19) continues, Handcross, Britain, April 12, 2020. REUTERS/Matthew Childs 

Police officers stand guard while patrolling streets amid the coronavirus disease (COVID-19) outbreak in central Moscow, Russia April 12, 2020. REUTERS/Maxim Shemetov 

A sign is seen thanking the NHS in the village of Lower Peover, as the spread of the coronavirus disease (COVID-19) continues, Lower Peover, Britain, April 12, 2020. REUTERS/Molly Darlington 

A few people take to the plaza at the Lincoln Memorial during the coronavirus disease (COVID-19) outbreak, where normally thousands of Christians would gather for worship at Easter sunrise, in Washington, U.S. April 12, 2020. REUTERS/Jonathan Ernst 

General view of the empty St Mark's Basin on Easter Sunday as Italy remains on lockdown due to a spread of the coronavirus disease (COVID-19) in Venice, Italy, April 12, 2020. REUTERS/Manuel Silvestri