A street vendor sells light balloons during a rainy day in Rome, Italy December 4, 2020. REUTERS/Yara Nardi

A street vendor sells light balloons during a rainy day in Rome, Italy December 4, 2020. REUTERS/Yara Nardi

A view shows chimneys of a thermal power station behind an apartment block in Omsk, Russia December 4, 2020. REUTERS/Alexey Malgavko TPX IMAGES OF THE DAY

People over the Westminster bridge and the Houses of Parliament are seen silhouetted at sunset in London, Britain December 4, 2020. REUTERS/Toby Melville

People cross the Westminster bridge as the Houses of Parliament are seen silhouetted at sunset in London, Britain December 4, 2020. REUTERS/Toby Melville

The Houses of Parliament and Big Ben are seen silhouetted at sunset in London, Britain December 4, 2020. REUTERS/Toby Melville

A man wearing a face mask walks near the Houses of Parliament at sunset in London, Britain December 4, 2020. REUTERS/Toby Melville

A statue of former British prime minister Winston Churchill is seen silhouetted at sunset in London, Britain December 4, 2020. REUTERS/Toby Melville

Firefighters work to extinguish a fire started by an explosion at the Engen oil refinery in Durban, South Africa, December 4, 2020. REUTERS/Rogan Ward

Firefighters work to extinguish a fire started by an explosion at the Engen oil refinery in Durban, South Africa, December 4, 2020. REUTERS/Rogan Ward

Firefighters work to extinguish a fire started by an explosion at the Engen oil refinery in Durban, South Africa, December 4, 2020. REUTERS/Rogan Ward

Firefighters work to extinguish a fire started by an explosion at the Engen oil refinery in Durban, South Africa, December 4, 2020. REUTERS/Rogan Ward

Indigenous leader Ninawa Huni Kui and members of 350.org attend a protest against the auction of oil and gas blocks in the Amazon, in Rio de Janeiro, Brazil, December 4, 2020. REUTERS/Ricardo Moraes

Indigenous leader Ninawa Huni Kui and members of 350.org attend a protest against the auction of oil and gas blocks in the Amazon, in Rio de Janeiro, Brazil, December 4, 2020. REUTERS/Ricardo Moraes

Indigenous leader Ninawa Huni Kui and members of 350.org attend a protest against the auction of oil and gas blocks in the Amazon, in Rio de Janeiro, Brazil, December 4, 2020. REUTERS/Ricardo Moraes

Indigenous leader Ninawa Huni Kui and members of 350.org attend a protest against the auction of oil and gas blocks in the Amazon, in Rio de Janeiro, Brazil, December 4, 2020. REUTERS/Ricardo Moraes

Indigenous leader Ninawa Huni Kui and members of 350.org attend a protest against the auction of oil and gas blocks in the Amazon, in Rio de Janeiro, Brazil, December 4, 2020. REUTERS/Ricardo Moraes

Indigenous leader Ninawa Huni Kui and members of 350.org attend a protest against the auction of oil and gas blocks in the Amazon, in Rio de Janeiro, Brazil, December 4, 2020. REUTERS/Ricardo Moraes

A man passes the venue where EU Brexit trade talks are taking place as he exercises during cold weather, in London, Britain December 4, 2020. REUTERS/Toby Melville

A man passes the venue where EU Brexit trade talks are taking place as he exercises during cold weather, in London, Britain December 4, 2020. REUTERS/Toby Melville

A child makes a snowman in The Roaches ridge, Staffordshire, Britain December 4, 2020. REUTERS/Carl Recine

A child plays in the snow in The Roaches ridge, Staffordshire, Britain December 4, 2020. REUTERS/Carl Recine

People play in the snow in The Roaches ridge, Staffordshire, Britain December 4, 2020. REUTERS/Carl Recine

People wearing protective face masks amid the coronavirus disease (COVID-19) outbreak are seen near foodstuffs, which are displayed for sale on a car in Omsk, Russia December 4, 2020. REUTERS/Alexey Malgavko

Police officers clear tree houses during a protest action against the extension of the A49 motorway, near Dannenrod, Germany, December 4, 2020. REUTERS/Kai Pfaffenbach

Police officers remove a protester from a tree during a protest action against the extension of the A49 motorway, near Dannenrod, Germany, December 4, 2020. REUTERS/Kai Pfaffenbach

Snow is seen in Flash, the highest village in Britain, Staffordshire Moorlands, Staffordshire, Britain December 4, 2020. REUTERS/Carl Recine

Snow is seen in Flash, the highest village in Britain, Staffordshire Moorlands, Staffordshire, Britain December 4, 2020. REUTERS/Carl Recine

A woman cooks on the side of a highway after losing her home due to heavy rains caused by Hurricane Iota, in El Progreso, Honduras November 19, 2020. Picture taken November 19, 2020. REUTERS/Jorge Cabrera

A man walks past bananas damaged due to a flooding caused by the passage of Hurricane Iota, in El Progreso, Honduras November 20, 2020. Picture taken November 20, 2020. REUTERS/Jorge Cabrera

A woman stands outside her home damaged due to heavy rains caused by Hurricane Eta, in Pimienta, Honduras November 6, 2020. Picture taken November 6, 2020. REUTERS/Jorge Cabrera

People walk among debris on a bridge over the Chamelecon river after the passage of Hurricane Eta, in Pimienta, Honduras November 6, 2020. Picture taken November 6, 2020. REUTERS/Jorge Cabrera

People who lost their home due to heavy rains caused by Hurricane Iota are seen living on the side of a highway, in El Progreso, Honduras November 19, 2020. Picture taken November 19, 2020. REUTERS/Jorge Cabrera

Honduran migrants, who left their country after the damage left by Hurricanes Eta and Iota, are seen outside a migrant shelter in Guadalupe, Mexico November 26, 2020. Picture taken November 26, 2020. REUTERS/Daniel Becerril

A Honduran migrant (L), who left his country after the damage left by Hurricanes Eta and Iota, plays with other migrants at a migrant shelter in Guadalupe, Mexico November 27, 2020. Picture taken November 27, 2020. REUTERS/Daniel Becerril

A general view shows people and their belongings under an overpass, where they are sheltered along other residents that lost their homes due to the floods caused by heavy rain brought by Hurricane Iota, in San Pedro Sula, Honduras November 19, 2020. Picture taken November 19, 2020. REUTERS/Jorge Cabrera

A general view after snow fall in The Roaches ridge, Staffordshire, Britain December 4, 2020. REUTERS/Carl Recine

Police officers chase a protester during a protest action against the extension of the A49 motorway, near Dannenrod, Germany, December 4, 2020. REUTERS/Kai Pfaffenbach

A general view of The Roaches ridge blanketed with snow, Staffordshire, Britain December 4, 2020. REUTERS/Carl Recine

A farmer feeds his sheep after snow fall in The Roaches ridge, Staffordshire, Britain December 4, 2020. REUTERS/Carl Recine

A farmer works after snow fall in The Roaches ridge, Staffordshire, Britain December 4, 2020. REUTERS/Carl Recine

A farmer feeds his sheep after snow fall in The Roaches ridge, Staffordshire, Britain December 4, 2020. REUTERS/Carl Recine

People walk after snow fall in The Roaches ridge, Staffordshire, Britain December 4, 2020. REUTERS/Carl Recine

Protesters are seen on trees during a protest action against the extension of the A49 motorway, near Dannenrod, Germany, December 4, 2020. REUTERS/Kai Pfaffenbach

Police officers watch protesters on trees during a protest action against the extension of the A49 motorway, near Dannenrod, Germany, December 4, 2020. REUTERS/Kai Pfaffenbach

French activists, Action non-violente COP21, Attac and Les Amis de la Terre, stage an action to protest against e-commerce Amazon's growth in France and its plans to build new logistical centers, in front of Bercy Finance Ministry in Paris, France, December 4, 2020. REUTERS/Charles Platiau

French activists, Action non-violente COP21, Attac and Les Amis de la Terre, stage an action to protest against e-commerce Amazon's growth in France and its plans to build new logistical centers, in front of Bercy Finance Ministry in Paris, France, December 4, 2020. REUTERS/Charles Platiau

French activists, Action non-violente COP21, Attac and Les Amis de la Terre, stage an action to protest against e-commerce Amazon's growth in France and its plans to build new logistical centers, in front of Bercy Finance Ministry in Paris, France, December 4, 2020. REUTERS/Charles Platiau

French activists, Action non-violente COP21, Attac and Les Amis de la Terre, stage an action to protest against e-commerce Amazon's growth in France and its plans to build new logistical centers, in front of Bercy Finance Ministry in Paris, France, December 4, 2020. REUTERS/Charles Platiau

French activists, Action non-violente COP21, Attac and Les Amis de la Terre, stage an action to protest against e-commerce Amazon's growth in France and its plans to build new logistical centers, in front of Bercy Finance Ministry in Paris, France, December 4, 2020. REUTERS/Charles Platiau

French activists, Action non-violente COP21, Attac and Les Amis de la Terre, stage an action to protest against e-commerce Amazon's growth in France and its plans to build new logistical centers, in front of Bercy Finance Ministry in Paris, France, December 4, 2020. REUTERS/Charles Platiau

French activists, Action non-violente COP21, Attac and Les Amis de la Terre, stage an action to protest against e-commerce Amazon's growth in France and its plans to build new logistical centers, in front of Bercy Finance Ministry in Paris, France, December 4, 2020. REUTERS/Charles Platiau

French activists, Action non-violente COP21, Attac and Les Amis de la Terre, stage an action to protest against e-commerce Amazon's growth in France and its plans to build new logistical centers, in front of Bercy Finance Ministry in Paris, France, December 4, 2020. REUTERS/Charles Platiau

Protesters sit on trees and tree houses during a protest action against the extension of the A49 motorway, near Dannenrod, Germany, December 4, 2020. REUTERS/Kai Pfaffenbach

Police officers try to remove a protester from a tree during a protest action against the extension of the A49 motorway, near Dannenrod, Germany, December 4, 2020. REUTERS/Kai Pfaffenbach

Protesters are seen on trees during a protest action against the extension of the A49 motorway, near Dannenrod, Germany, December 4, 2020. REUTERS/Kai Pfaffenbach

An activist is seen on a tree during a protest against the extension of the A49 motorway, near Dannenrod, Germany, December 4, 2020. REUTERS/Kai Pfaffenbach TPX IMAGES OF THE DAY

Police officers watch activists on trees during a protest action against the extension of the A49 motorway, near Dannenrod, Germany, December 4, 2020. REUTERS/Kai Pfaffenbach

Pianist Igor Levit plays the piano during a protest action against the extension of the A49 motorway, near Dannenrod, Germany, December 4, 2020. REUTERS/Kai Pfaffenbach

Pianist Igor Levit plays the piano during a protest action against the extension of the A49 motorway, near Dannenrod, Germany, December 4, 2020. REUTERS/Kai Pfaffenbach