Gymnastics - 2021 European Artistic Gymnastics Championships - St. Jakobshalle, Basel, Switzerland - April 23, 2021 France's Sheyen Petit in action REUTERS/Arnd Wiegmann

EU Commissioner-designate for Cohesion and Reforms Elisa Ferreira holds a news conference on the New European Bauhaus Prizes in Brussels, Belgium April 23, 2021. Francois Walschaerts/Pool via REUTERS

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EU Commissioner-designate for Cohesion and Reforms Elisa Ferreira holds a news conference on the New European Bauhaus Prizes in Brussels, Belgium April 23, 2021. Francois Walschaerts/Pool via REUTERS

EU Commissioner-designate for Cohesion and Reforms Elisa Ferreira holds a news conference on the New European Bauhaus Prizes in Brussels, Belgium April 23, 2021. Francois Walschaerts/Pool via REUTERS

An employee of Michelin-starred "Marco Martini" restaurant works in the kitchen during the reorganisation of the restaurant, as owners prepare outdoor dining in order to be ready for April 26 when restrictions to contain the spread of the coronavirus disease (COVID-19) will relax and people can dine outside, in Rome, Italy, April 23, 2021. REUTERS/Yara Nardi

A man views decommissioned British Airways Boeing 747 jumbo jets parked to be used for salvage and parts after the airline retired its whole 747 fleet, amongst the spread of the coronavirus disease (COVID-19) pandemic, Cotswold Airport, Kemble, Britain, April 23, 2021. REUTERS/Toby Melville

EU Commissioner-designate for Cohesion and Reforms Elisa Ferreira holds a news conference on the New European Bauhaus Prizes in Brussels, Belgium April 23, 2021. Francois Walschaerts/Pool via REUTERS

EU Commissioner-designate for Cohesion and Reforms Elisa Ferreira holds a news conference on the New European Bauhaus Prizes in Brussels, Belgium April 23, 2021. Francois Walschaerts/Pool via REUTERS

Chef Marco Martini, owner of one-Michelin-starred "Marco Martini" restaurant, makes fresh pasta as owners prepare outdoor dining in order to be ready for April 26 when restrictions to contain the spread of the coronavirus disease (COVID-19) will relax and people can dine outside, in Rome, Italy, April 23, 2021. REUTERS/Yara Nardi

Decommissioned British Airways Boeing 747 jumbo jets are seen parked to be used for salvage and parts after the airline retired its whole 747 fleet, amongst the spread of the coronavirus disease (COVID-19) pandemic, Cotswold Airport, Kemble, Britain, April 23, 2021. REUTERS/Toby Melville

Decommissioned British Airways Boeing 747 jumbo jets are seen parked to be used for salvage and parts after the airline retired its whole 747 fleet, amongst the spread of the coronavirus disease (COVID-19) pandemic, Cotswold Airport, Kemble, Britain, April 23, 2021. REUTERS/Toby Melville

Decommissioned passenger aircrafts are parked to be used for salvage and parts, amongst the spread of the coronavirus disease (COVID-19) pandemic, Cotswold Airport, Kemble, Britain, April 23, 2021. REUTERS/Toby Melville

A man views decommissioned British Airways Boeing 747 jumbo jets parked to be used for salvage and parts after the airline retired its whole 747 fleet, amongst the spread of the coronavirus disease (COVID-19) pandemic, Cotswold Airport, Kemble, Britain, April 23, 2021. REUTERS/Toby Melville

Chart shows total carbon storage globally by type.

Decommissioned British Airways Boeing 747 jumbo jets with engines removed are seen parked to be used for salvage and parts after the airline retired its whole 747 fleet, amongst the spread of the coronavirus disease (COVID-19) pandemic, Cotswold Airport, Kemble, Britain, April 23, 2021. REUTERS/Toby Melville

A helicopter flies near British Airways Boeing 747 jumbo jets parked to be used for salvage and parts after the airline retired its whole 747 fleet, amongst the spread of the coronavirus disease (COVID-19) pandemic, Cotswold Airport, Kemble, Britain, April 23, 2021. REUTERS/Toby Melville

Decommissioned British Airways Boeing 747 jumbo jets, partially dismantled, are seen parked to be used for salvage and parts after the airline retired its whole 747 fleet, amongst the spread of the coronavirus disease (COVID-19) pandemic, Cotswold Airport, Kemble, Britain, April 23, 2021. REUTERS/Toby Melville

Decommissioned British Airways Boeing 747 jumbo jets are seen parked to be used for salvage and parts after the airline retired its whole 747 fleet, amongst the spread of the coronavirus disease (COVID-19) pandemic, Cotswold Airport, Kemble, Britain, April 23, 2021. REUTERS/Toby Melville

A decommissioned British Airways Boeing 747 jumbo jet with engine removed is seen parked to be used for salvage and parts after the airline retired its whole 747 fleet, amongst the spread of the coronavirus disease (COVID-19) pandemic, Cotswold Airport, Kemble, Britain, April 23, 2021. REUTERS/Toby Melville

Decommissioned British Airways Boeing 747 jumbo jets are seen parked to be used for salvage and parts after the airline retired its whole 747 fleet, amongst the spread of the coronavirus disease (COVID-19) pandemic, Cotswold Airport, Kemble, Britain, April 23, 2021. REUTERS/Toby Melville

Chef Marco Martini, owner of one-Michelin-starred "Marco Martini" restaurant, makes fresh pasta as owners prepare outdoor dining in order to be ready for April 26 when restrictions to contain the spread of the coronavirus disease (COVID-19) will relax and people can dine outside, in Rome, Italy, April 23, 2021. REUTERS/Yara Nardi

Decommissioned British Airways Boeing 747 jumbo jets with engines removed are seen parked to be used for salvage and parts after the airline retired its whole 747 fleet, amongst the spread of the coronavirus disease (COVID-19) pandemic, Cotswold Airport, Kemble, Britain, April 23, 2021. REUTERS/Toby Melville

Tennis - ATP 500 - Barcelona Open - Real Club de Tennis Barcelona, Barcelona, Spain - April 23, 2021 Russia's Andrey Rublev in action during his quarter final match against Italy's Jannik Sinner REUTERS/Albert Gea

EU Commissioner-designate for Cohesion and Reforms Elisa Ferreira (R) and EU commissioner for Innovation, Research, Culture, Education and Youth Mariya Gabriel are seen on a screen during a news conference on the New European Bauhaus Prizes in Brussels, Belgium April 23, 2021. Francois Walschaerts/Pool via REUTERS

Pedigree cats which were confiscated as live assets in a drug bust case sit inside their cages before an auction at an animal shelter in Rayong province, Thailand, April 23, 2021. REUTERS/Chalinee Thirasupa

Pedigree cats which were confiscated as live assets in a drug bust case sit inside their cages before an auction at an animal shelter in Rayong province, Thailand, April 23, 2021. REUTERS/Chalinee Thirasupa

EU Commissioner-designate for Cohesion and Reforms Elisa Ferreira (R) and EU commissioner for Innovation, Research, Culture, Education and Youth Mariya Gabriel hold a news conference on the New European Bauhaus Prizes in Brussels, Belgium April 23, 2021. Francois Walschaerts/Pool via REUTERS

EU Commissioner-designate for Cohesion and Reforms Elisa Ferreira (R) and EU commissioner for Innovation, Research, Culture, Education and Youth Mariya Gabriel hold a news conference on the New European Bauhaus Prizes in Brussels, Belgium April 23, 2021. Francois Walschaerts/Pool via REUTERS

EU Commissioner-designate for Cohesion and Reforms Elisa Ferreira (R) and EU commissioner for Innovation, Research, Culture, Education and Youth Mariya Gabriel hold a news conference on the New European Bauhaus Prizes in Brussels, Belgium April 23, 2021. Francois Walschaerts/Pool via REUTERS

Soccer Football - General view of Estadio La Cartuja de Sevilla - Euro 2020 Stadium - Estadio La Cartuja de Sevilla, Seville, Spain - April 23, 2021 General view outside the stadium REUTERS/Jon Nazca

Soccer Football - General view of Estadio La Cartuja de Sevilla - Euro 2020 Stadium - Estadio La Cartuja de Sevilla, Seville, Spain - April 23, 2021 General view outside the stadium REUTERS/Jon Nazca

EU commissioner for Innovation, Research, Culture, Education and Youth, Mariya Gabriel holds a news conference on the New European Bauhaus Prizes in Brussels, Belgium April 23, 2021. Francois Walschaerts/Pool via REUTERS

Soccer Football - General view of Estadio La Cartuja de Sevilla - Euro 2020 Stadium - Estadio La Cartuja de Sevilla, Seville, Spain - April 23, 2021 General view outside the stadium REUTERS/Jon Nazca

EU commissioner for Innovation, Research, Culture, Education and Youth, Mariya Gabriel holds a news conference on the New European Bauhaus Prizes in Brussels, Belgium April 23, 2021. Francois Walschaerts/Pool via REUTERS

EU commissioner for Innovation, Research, Culture, Education and Youth, Mariya Gabriel holds a news conference on the New European Bauhaus Prizes in Brussels, Belgium April 23, 2021. Francois Walschaerts/Pool via REUTERS

EU commissioner for Innovation, Research, Culture, Education and Youth, Mariya Gabriel holds a news conference on the New European Bauhaus Prizes in Brussels, Belgium April 23, 2021. Francois Walschaerts/Pool via REUTERS

EU commissioner for Innovation, Research, Culture, Education and Youth, Mariya Gabriel holds a news conference on the New European Bauhaus Prizes in Brussels, Belgium April 23, 2021. Francois Walschaerts/Pool via REUTERS

EU commissioner for Innovation, Research, Culture, Education and Youth, Mariya Gabriel holds a news conference on the New European Bauhaus Prizes in Brussels, Belgium April 23, 2021. Francois Walschaerts/Pool via REUTERS

EU commissioner for Innovation, Research, Culture, Education and Youth, Mariya Gabriel holds a news conference on the New European Bauhaus Prizes in Brussels, Belgium April 23, 2021. Francois Walschaerts/Pool via REUTERS

Gymnastics - 2021 European Artistic Gymnastics Championships - St. Jakobshalle, Basel, Switzerland - April 23, 2021 Italy's Martina Maggio in action during the women's vault REUTERS/Arnd Wiegmann

EU commissioner for Innovation, Research, Culture, Education and Youth, Mariya Gabriel holds a news conference on the New European Bauhaus Prizes in Brussels, Belgium April 23, 2021. Francois Walschaerts/Pool via REUTERS

Gymnastics - 2021 European Artistic Gymnastics Championships - St. Jakobshalle, Basel, Switzerland - April 23, 2021 Netherlands' Lieke Wevers in action during the women's uneven bars REUTERS/Arnd Wiegmann

Palestinian women and children gather in front of the Dome of the Rock, in the compound known to Muslims as Noble Sanctuary and to Jews as Temple Mount, in Jerusalem's Old City, on the second Friday of the holy month of Ramadan, as coronavirus disease (COVID-19) restrictions ease around the country, in Jerusalem April 23, 2021. REUTERS/Ammar Awad

Palestinian women and girls gather in front of the Dome of the Rock, in the compound known to Muslims as Noble Sanctuary and to Jews as Temple Mount, in Jerusalem's Old City, on the second Friday of the holy month of Ramadan, as coronavirus disease (COVID-19) restrictions ease around the country, in Jerusalem April 23, 2021. REUTERS/Ammar Awad

General view of minings area in Bulqiza, Albania April 22, 2021. Picture taken April 22, 2020. REUTERS/Florion Goga

A man views decommissioned British Airways Boeing 747 jumbo jets parked to be used for salvage and parts after the airline retired its whole 747 fleet, amongst the spread of the coronavirus disease (COVID-19) pandemic, Cotswold Airport, Kemble, Britain, April 23, 2021. REUTERS/Toby Melville

Gymnastics - 2021 European Artistic Gymnastics Championships - St. Jakobshalle, Basel, Switzerland - April 23, 2021 Germany's Elisabeth Seitz in action during the women's uneven bars REUTERS/Arnd Wiegmann

A man carrying his child walks near a mining zone in Bulqiza, Albania April 22, 2021. Picture taken April 22, 2020. REUTERS/Florion Goga

A general view of the mining area in Bulqiza, Albania April 22, 2021. Picture taken April 22, 2020. REUTERS/Florion Goga

A woman searches for chrome from the scrap in Bulqiza, Albania April 22, 2021. Picture taken April 22, 2020. REUTERS/Florion Goga

Cars pass near an electoral banner in Thumane, Albania April 22, 2021. Picture taken April 22, 2020. REUTERS/Florion Goga

Scottish First Minister and leader of the Scottish National Party (SNP) Nicola Sturgeon speaks as she visits the Gurdwara Guru Granth Sahib, in Glasgow, Scotland, Britain, April 23, 2021. REUTERS/Russell Cheyne/Pool

En avril 2021, les niveaux du trafic routier le week-end dans plusieurs villes américaines telles que Philadelphie ou Nashville étaient plus élevés que ceux enregistrés en 2019, avant la pandémie du coronavirus.

Scottish First Minister and leader of the Scottish National Party (SNP) Nicola Sturgeon holds a plate with food, as she visits the Gurdwara Guru Granth Sahib, in Glasgow, Scotland, Britain, April 23, 2021. REUTERS/Russell Cheyne/Pool

Relatives wearing personal protective equipment (PPE) sit next to a grave of a man who died from the coronavirus disease (COVID-19), during his funeral at a graveyard in New Delhi, India, April 23, 2021. REUTERS/Adnan Abidi

Scottish First Minister and leader of the Scottish National Party (SNP) Nicola Sturgeon reacts as she visits the Gurdwara Guru Granth Sahib, in Glasgow, Scotland, Britain, April 23, 2021. REUTERS/Russell Cheyne/Pool

Scottish First Minister and leader of the Scottish National Party (SNP) Nicola Sturgeon speaks with people as she visits the Gurdwara Guru Granth Sahib, in Glasgow, Scotland, Britain, April 23, 2021. REUTERS/Russell Cheyne/Pool

Palestinian women gather in front of the Dome of the Rock, in the compound known to Muslims as Noble Sanctuary and to Jews as Temple Mount, in Jerusalem's Old City, on the second Friday of the holy month of Ramadan, as coronavirus disease (COVID-19) restrictions ease around the country, in Jerusalem April 23, 2021. REUTERS/Ammar Awad

Scottish First Minister and leader of the Scottish National Party (SNP) Nicola Sturgeon sits with people as she visits the Gurdwara Guru Granth Sahib, in Glasgow, Scotland, Britain, April 23, 2021. REUTERS/Russell Cheyne/Pool

Relatives wearing personal protective equipment (PPE) mourn a man, who died from the coronavirus disease (COVID-19), during his funeral at a crematorium in New Delhi, India April 21, 2021. REUTERS/Adnan Abidi TPX IMAGES OF THE DAY

Patients suffering from the coronavirus disease (COVID-19) get treatment at the casualty ward in Lok Nayak Jai Prakash (LNJP) hospital, amidst the spread of the disease in New Delhi, India April 15, 2021. REUTERS/Danish Siddiqui TPX IMAGES OF THE DAY