Sotheby's Paris employees pose with the 1887 painting of a Paris street scene "Scene de rue a Montmartre" by Dutch painter Vincent Van Gogh which will be presented to the public for the first time after spending more than a century behind closed doors in the private collection of a French family, France, February 24, 2021. REUTERS/Christian Hartmann

Sotheby's Paris employees pose with the 1887 painting of a Paris street scene "Scene de rue a Montmartre" by Dutch painter Vincent Van Gogh which will be presented to the public for the first time after spending more than a century behind closed doors in the private collection of a French family, France, February 24, 2021. REUTERS/Christian Hartmann

Sotheby's Paris employees pose with the 1887 painting of a Paris street scene "Scene de rue a Montmartre" by Dutch painter Vincent Van Gogh which will be presented to the public for the first time after spending more than a century behind closed doors in the private collection of a French family, France, February 24, 2021. REUTERS/Christian Hartmann

Sotheby's Paris employees pose with the 1887 painting of a Paris street scene "Scene de rue a Montmartre" by Dutch painter Vincent Van Gogh which will be presented to the public for the first time after spending more than a century behind closed doors in the private collection of a French family, France, February 24, 2021. REUTERS/Christian Hartmann

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

Models present creations from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

A model presents a creation from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

Models present creations from the Alberta Ferretti Fall/Winter 2021/2022 women's collection digital show during Fashion Week in Milan, Italy, February 22, 2021. Picture taken February 22, 2021. REUTERS/Alessandro Garofalo

Nurse Ines Lopes collects goods in the supermarket, to eat at the night shift at Sao Jose Hospital, Intensive Care Unit (ICU) during the coronavirus disease (COVID-19) pandemic, in Lisbon, Portugal, February 18, 2021. Picture taken February 18, 2021. REUTERS/Pedro Nunes

A healthcare worker in personal protective equipment (PPE) collects a swab sample from a resident during a testing campaign for the coronavirus disease (COVID-19), in Mumbai, India, February 23, 2021. REUTERS/Francis Mascarenhas

A healthcare worker in personal protective equipment (PPE) collects a swab sample from a resident during a testing campaign for the coronavirus disease (COVID-19), in Mumbai, India, February 23, 2021. REUTERS/Francis Mascarenhas

A sign for the coronavirus disease (COVID-19) test collection centre is seen at Vancouver International Airport in Richmond, British Columbia, Canada February 22, 2021. REUTERS/Jennifer Gauthier

A sign for the coronavirus disease (COVID-19) test collection centre is seen at Vancouver International Airport in Richmond, British Columbia, Canada February 22, 2021. REUTERS/Jennifer Gauthier

A healthcare worker collects a swab sample from a passenger during a rapid antigen testing campaign for the coronavirus disease (COVID-19), at a railway station in Mumbai, India, February 22, 2021. REUTERS/Niharika Kulkarni

Albert Lemasulani, a field coordinator who works for the start-up The Bug Picture, watches workers be paid, after they harvested desert locusts, near Rumuruti, Kenya, February 1, 2021. "The biggest part of the animal feed is the protein," Lemasulani said. "The community ... are collecting locusts, once they (are collected) they are weighed and paid." REUTERS/Baz Ratner SEARCH "RATNER LOCUSTS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES

A student reaches out to collect a packet of vitamin tablets from Mairabot, the medical frontline robot designed by the Glisten International Academy robotics group, in the school clinic in Abuja, Nigeria February 9, 2021. Picture taken February 9, 2021. REUTERS/Afolabi Sotunde

A student reaches out to collect a packet of vitamin tablets from Mairabot, the medical frontline robot designed by the Glisten International Academy robotics group, at the school's sick bay in Abuja, Nigeria February 9, 2021. Picture taken February 9, 2021. REUTERS/Afolabi Sotunde

A woman reacts as a health worker uses a swab to collect a sample at a makeshift community testing centre for the coronavirus disease (COVID-19), in Hong Kong, China February 17, 2021. REUTERS/Tyrone Siu

A woman reacts as a health worker uses a swab to collect a sample at a makeshift community testing centre for the coronavirus disease (COVID-19), in Hong Kong, China February 17, 2021. REUTERS/Tyrone Siu

Vendors collect firewood at a market in Sanaa, Yemen February 10, 2021. Picture taken February 10, 2021. REUTERS/Khaled Abdullah

A vendor collects firewood at a market in Sanaa, Yemen February 10, 2021. Picture taken February 10, 2021. REUTERS/Khaled Abdullah

Medical workers collect a swab sample from a man to be tested for the coronavirus disease (COVID-19) at Kuala Lumpur Hospital in Kuala Lumpur, Malaysia February 16, 2021. REUTERS/Lim Huey Teng

Medical workers collect a swab sample from a woman to be tested for the coronavirus disease (COVID-19) at Kuala Lumpur Hospital in Kuala Lumpur, Malaysia February 16, 2021. REUTERS/Lim Huey Teng

A girl on a scooter walks past Peter Behan collecting his golf balls after he practiced golf at dusk on an embankment by aiming for a circle in the sand he has drawn on Poolbeg beach as golf links are closed under Government restrictions, amid the outbreak of the coronavirus disease (COVID-19), in Dublin, Ireland February 15, 2021. REUTERS/Clodagh Kilcoyne

Peter Behan collects his golf balls after practicing golf at dusk on an embankment by aiming for a circle in the sand he has drawn on Poolbeg beach as golf links are closed under Government restrictions, amid the outbreak of the coronavirus disease (COVID-19), in Dublin, Ireland February 15, 2021. REUTERS/Clodagh Kilcoyne

Newly-wed couples take part in a collective wedding ceremony celebrated on Valentine's Day, as the coronavirus disease (COVID-19) outbreak continues, in Managua, Nicaragua February 14, 2021. Picture taken February 14, 2021. REUTERS/Carlos Herrera

A newly-wed couple takes a selfie as they take part in a collective wedding ceremony celebrated on Valentine's Day, as the coronavirus disease (COVID-19) outbreak continues, in Managua, Nicaragua in Managua, Nicaragua February 14, 2021. Picture taken February 14, 2021. REUTERS/Carlos Herrera

A man takes pictures of a newly-wed couple taking part in a collective wedding ceremony celebrated on Valentine's Day, as the coronavirus disease (COVID-19) outbreak continues, in Managua, Nicaragua February 14, 2021. Picture taken February 14, 2021. REUTERS/Carlos Herrera

Newly-wed couples take part in a collective wedding ceremony celebrated on Valentine's Day, as the coronavirus disease (COVID-19) outbreak continues, in Managua, Nicaragua February 14, 2021. Picture taken February 14, 2021. REUTERS/Carlos Herrera

Newly-wed couples take part in a collective wedding ceremony celebrated on Valentine's Day, as the coronavirus disease (COVID-19) outbreak continues, in Managua, Nicaragua February 14, 2021. Picture taken February 14, 2021. REUTERS/Carlos Herrera

A newly-wed couple takes part in a collective wedding ceremony celebrated by the municipality, as the coronavirus disease (COVID-19) outbreak continues on Valentine's Day, in San Salvador, El Salvador February 14, 2021. REUTERS/Jose Cabezas

Newly-wed couples take part in a collective wedding ceremony celebrated by the municipality, as the coronavirus disease (COVID-19) outbreak continues on Valentine's Day, in San Salvador, El Salvador February 14, 2021. REUTERS/Jose Cabezas

Newly-wed couples take part in a collective wedding ceremony celebrated by the municipality, as the coronavirus disease (COVID-19) outbreak continues on Valentine's Day, in San Salvador, El Salvador February 14, 2021. REUTERS/Jose Cabezas

A newly-wed couple exchanges rings in a collective wedding ceremony celebrated by the municipality, as the coronavirus disease (COVID-19) outbreak continues on Valentine's Day, in San Salvador, El Salvador February 14, 2021. REUTERS/Jose Cabezas

A newly-wed couple poses for a picture as they hold their protective mask after a collective wedding ceremony celebrated by the municipality, as the coronavirus disease (COVID-19) outbreak continues on Valentine's Day, in San Salvador, El Salvador February 14, 2021. REUTERS/Jose Cabezas

A newly-wed couple kisses after a collective wedding ceremony celebrated by the municipality, as the coronavirus disease (COVID-19) outbreak continues on Valentine's Day, in San Salvador, El Salvador February 14, 2021. REUTERS/Jose Cabezas