Horse racing - Saudi Cup - King Abdulaziz Racetrack, Riyadh, Saudi Arabia - February 20, 2021 Trainer Charlie Appleby and jockey William Buick celebrate with trophies after Space Blues wins the stc 1351 Turf Spring REUTERS/Ahmed Yosri

Horse racing - Saudi Cup - King Abdulaziz Racetrack, Riyadh, Saudi Arabia - February 20, 2021 William Buick celebrates with his trophy after winning the stc 1351 Turf Spring riding Space Blues REUTERS/Ahmed Yosri

Horse racing - Saudi Cup - King Abdulaziz Racetrack, Riyadh, Saudi Arabia - February 20, 2021 William Buick celebrates winning the stc 1351 Turf Spring riding Space Blues REUTERS/Ahmed Yosri

Horse racing - Saudi Cup - King Abdulaziz Racetrack, Riyadh, Saudi Arabia - February 20, 2021 William Buick celebrates winning the stc 1351 Turf Spring riding Space Blues REUTERS/Ahmed Yosri

Horse racing - Saudi Cup - King Abdulaziz Racetrack, Riyadh, Saudi Arabia - February 20, 2021 William Buick celebrates winning the stc 1351 Turf Spring riding Space Blues REUTERS/Ahmed Yosri

Horse racing - Saudi Cup - King Abdulaziz Racetrack, Riyadh, Saudi Arabia - February 20, 2021 William Buick celebrates winning the stc 1351 Turf Spring riding Space Blues REUTERS/Ahmed Yosri

Helen Tyler wears a mask while holding a blue rose at the funeral of her nephew Gregory Blanks, 50, who died from complications from the coronavirus disease (COVID-19), in San Felipe, Texas, U.S., January 26, 2021. Blanks ran a heating and air conditioning business in the Houston area. He was a huge fan of the Dallas Cowboys football team. In keeping with current restrictions to prevent infections, only a limited number of family and friends were able to attend the burial at San Felipe Community Cemetery. REUTERS/Callaghan O'Hare SEARCH "FUNERALS O'HARE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES

Pallbearers carry the casket of Gregory Blanks, 50, who died from complications from the coronavirus disease (COVID-19), to the plot where he will be buried next to his parents at San Felipe Community Cemetery in San Felipe, Texas, U.S., January 26, 2021. Blanks ran a heating and air conditioning business in the Houston area. He was a huge fan of the Dallas Cowboys football team. In keeping with current restrictions to prevent infections, only a limited number of family and friends were able to attend the burial at San Felipe Community Cemetery. The pallbearers wore blue to the burial to honor Blanks' love for the Dallas Cowboys. REUTERS/Callaghan O'Hare SEARCH "FUNERALS O'HARE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES

Jasiah Beckles, 9, is comforted by his mother, Lauren Ashley Emanuel, at the funeral of his grandfather Samuel Emanuel Jr., 55, who died from complications from the coronavirus disease (COVID-19), at Fifth Ward Missionary Baptist Church in Houston, Texas, U.S., February 13, 2021. The family wore blue to the funeral and placed a crown on Emanuel's head before closing his casket. REUTERS/Callaghan O'Hare SEARCH "FUNERALS O'HARE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES

A dog with blue fur is pictured inside a cage at a veterinary hospital where it was taken for examination, in Nizhny Novgorod, Russia February 16, 2021. A pack of stray dogs with blue fur was found earlier this month near an abandoned chemical plant in the city of Dzerzhinsk. REUTERS/Anastasia Makarycheva TPX IMAGES OF THE DAY

A dog with blue fur is pictured inside a cage at?a?veterinary hospital where it was taken for examination, in Nizhny?Novgorod, Russia February 16, 2021. A pack of stray dogs with blue fur was found earlier this month near an abandoned chemical plant in the city of Dzerzhinsk. REUTERS/Anastasia Makarycheva

A dog with blue fur is pictured inside a cage at a veterinary hospital where it was taken for examination, in Nizhny Novgorod, Russia February 16, 2021. A pack of stray dogs with blue fur was found earlier this month near an abandoned chemical plant in the city of Dzerzhinsk. REUTERS/Anastasia Makarycheva

A dog with blue fur lies inside a cage at?a?veterinary hospital where it was taken for examination, in Nizhny?Novgorod, Russia February 16, 2021. A pack of stray dogs with blue fur was found earlier this month near an abandoned chemical plant in the city of Dzerzhinsk. REUTERS/Anastasia Makarycheva

Dogs with blue fur are pictured inside cages at a veterinary hospital where they were taken for examination, in Nizhny Novgorod, Russia February 16, 2021. A pack of stray dogs with blue fur was found earlier this month near an abandoned chemical plant in the city of Dzerzhinsk. REUTERS/Anastasia Makarycheva

A dog with blue fur is pictured inside a cage at a veterinary hospital where it was taken for examination, in Nizhny Novgorod, Russia February 16, 2021. A pack of stray dogs with blue fur was found earlier this month near an abandoned chemical plant in the city of Dzerzhinsk. REUTERS/Anastasia Makarycheva TPX IMAGES OF THE DAY

A stray dog stands in front of the Blue Mosque during a snowy day in Istanbul, Turkey, February 15, 2021. REUTERS/Umit Bektas TPX IMAGES OF THE DAY

Tibor Miklosi and his wife Eniko Kovacs help their son Vilmos, 4, as they hike on National Blue Trail along the Pilis Mountains, during the coronavirus disease (COVID-19) pandemic, near Pilisszentlaszlo, Hungary, February 6, 2021. Picture taken February 6, 2021. REUTERS/Bernadett Szabo

Eniko Kovacs hikes with her sons on National Blue Trail along the Pilis Mountains, during the coronavirus disease (COVID-19) pandemic, near Pilisszentlaszlo, Hungary, February 6, 2021. Picture taken February 6, 2021. REUTERS/Bernadett Szabo

Tibor Miklosi helps his daughter Boglarka, 8, as they hike on National Blue Trail along the Pilis Mountains, during the coronavirus disease (COVID-19) pandemic, near Pilisszentlaszlo, Hungary, February 6, 2021. Picture taken February 6, 2021. REUTERS/Bernadett Szabo

Tibor Miklosi and his family hike on National Blue Trail along the Pilis Mountains, during the coronavirus disease (COVID-19) pandemic, near Pilisszentlaszlo, Hungary, February 6, 2021. Picture taken February 6, 2021. REUTERS/Bernadett Szabo

Eniko Kovacs and his son Vilmos, 4, hike on National Blue Trail along the Pilis Mountains, during the coronavirus disease (COVID-19) pandemic, near Pilisszentlaszlo, Hungary, February 6, 2021. Picture taken February 6, 2021. REUTERS/Bernadett Szabo

Boldizsar Miklosi, 6, and Vilmos Miklosi, 4, hike on National Blue Trail along the Pilis Mountains, during the coronavirus disease (COVID-19) pandemic, near Pilisszentlaszlo, Hungary, February 6, 2021. Picture taken February 6, 2021. REUTERS/Bernadett Szabo

Boglarka Miklosi, 8, and Boldizsar Miklosi, 6, hike on National Blue Trail along the Pilis Mountains, during the coronavirus disease (COVID-19) pandemic, near Pilisszentlaszlo, Hungary, February 6, 2021. Picture taken February 6, 2021. REUTERS/Bernadett Szabo

Boglarka Miklosi, 8, stands as she hike on National Blue Trail along the Pilis Mountains, during the coronavirus disease (COVID-19) pandemic, near Pilisszentlaszlo, Hungary, February 6, 2021. Picture taken February 6, 2021. REUTERS/Bernadett Szabo

Tibor Miklosi and his family hike on National Blue Trail along the Pilis Mountains, during the coronavirus disease (COVID-19) pandemic, near Pilisszentlaszlo, Hungary, February 6, 2021. Picture taken February 6, 2021. REUTERS/Bernadett Szabo

Tibor Miklosi and his family hike on National Blue Trail along the Pilis Mountains, during the coronavirus disease (COVID-19) pandemic, near Pilisszentlaszlo, Hungary, February 6, 2021. Picture taken February 6, 2021. REUTERS/Bernadett Szabo

Eniko Kovacs hikes with her children Marton, 10, and Boglarka, 8, on National Blue Trail along the Pilis Mountains, during the coronavirus disease (COVID-19) pandemic, near Pilisszentlaszlo, Hungary, February 6, 2021. Picture taken February 6, 2021. REUTERS/Bernadett Szabo

Tibor Miklosi carries his son Gergely,2, as they hike on National Blue Trail along the Pilis Mountains, during the coronavirus disease (COVID-19) pandemic, near Pilisszentlaszlo, Hungary, February 6, 2021. Picture taken February 6, 2021. REUTERS/Bernadett Szabo

Tibor Miklosi and his family hike on National Blue Trail along the Pilis Mountains, during the coronavirus disease (COVID-19) pandemic, near Pilisszentlaszlo, Hungary, February 6, 2021. Picture taken February 6, 2021. REUTERS/Bernadett Szabo

A family takes photos in front of The Three Sisters rock formation at Echo Point lookout in the Blue Mountains, New South Wales, Australia, February 2, 2021. REUTERS/Stefica Nicole Bikes

People look at the Blue Mountains from the Echo Point lookout in the Blue Mountains, New South Wales, Australia, February 2, 2021. REUTERS/Stefica Nicole Bikes

People look at the Blue Mountains from the Echo Point lookout in the Blue Mountains, New South Wales, Australia, February 2, 2021. REUTERS/Stefica Nicole Bikes

A family takes photos in front of The Three Sisters rock formation at Echo Point lookout in the Blue Mountains, New South Wales, Australia, February 2, 2021. REUTERS/Stefica Nicole Bikes

Drone photograph of Scenic World's Cableway moving down into the Jamison Valley in the Blue Mountains, New South Wales, Australia, February 1, 2021. REUTERS/Stefica Nicole Bikes

Drone photograph of Scenic World tourism operator overlooking Katoomba Falls in the Blue Mountains, New South Wales, Australia, February 1, 2021. REUTERS/Stefica Nicole Bikes

Drone photograph of Scenic World's cableway in the Blue Mountains, New South Wales, Australia, February 1, 2021. REUTERS/Stefica Nicole Bikes

Drone photograph of the Jamison Valley and the Three Sisters rock formation in the Blue Mountains, New South Wales, Australia, February 1, 2021. REUTERS/Stefica Nicole Bikes

A man takes pictures as the sun sets over the Sultanahmet Mosque, known as the Blue Mosque, in Istanbul, Turkey February 4, 2021. REUTERS/Murad Sezer

A man shelters from the rain underneath a blue umbrella during the coronavirus disease (COVID-19) outbreak in Madrid, Spain, February 2, 2021. REUTERS/Susana Vera

An individually wrapped piece of Blue Stilton cheese is pictured in the chiller room at Hartington Creamery near Matlock, Britain, January 28, 2021. REUTERS/Phil Noble

An individually wrapped piece of Blue Stilton cheese is pictured in the chiller room at Hartington Creamery near Matlock, Britain, January 28, 2021. REUTERS/Phil Noble

Individual Dovedale Blue cheeses are placed onto a tray in the chiller room at Hartington Creamery near Matlock, Britain, January 28, 2021.REUTERS/Phil Noble

Women wearing protective face masks enter the courtyard of the Blue Mosque with the Ayasofya-i Kebir Camii or Hagia Sophia in the background, amid the spread of the coronavirus disease (COVID-19) in Istanbul, Turkey January 22, 2021. REUTERS/Murad Sezer

The University of Delaware Fightin' Blue Hens band warms up at Freedom Plaza on Pennsylvania Ave ahead of the Inauguration Day parade for U.S. President Joe Biden, in Washington, U.S., January 20, 2021. REUTERS/Allison Shelley

The University of Delaware Fightin' Blue Hens band warms up at Freedom Plaza on Pennsylvania Ave ahead of the Inauguration Day parade for U.S. President Joe Biden, in Washington, U.S., January 20, 2021. REUTERS/Allison Shelley

Blue lights are beamed into the sky over the "Field of Flags" on the National Mall as the U.S Capitol Building is prepared for the inauguration ceremonies for President-elect Joe Biden, in Washington, U.S., January 18, 2021. Joe Raedle/Pool via REUTERS

Blue lights are beamed into the sky over the "Field of Flags" on the National Mall as the U.S Capitol Building is prepared for the inauguration of President-elect Joe Biden, in Washington, U.S., January 18, 2021. Joe Raedle/Pool via REUTERS

Blue lights are beamed into the sky over the "Field of Flags" on the National Mall as the U.S Capitol Building is prepared for the inauguration ceremonies for President-elect Joe Biden, in Washington, U.S., January 18, 2021. Joe Raedle/Pool via REUTERS

Journalists listen as South Korean President Moon Jae-in speaks during an online New Year news conference with local and foreign journalists at the Presidential Blue House in Seoul, South Korea, January 18, 2021. Jeon Heon-Kyun/Pool via REUTERS

South Korean President Moon Jae-in speaks during an online New Year news conference with local and foreign journalists at the Presidential Blue House in Seoul, South Korea, January 18, 2021. Jeon Heon-Kyun/Pool via REUTERS

South Korean President Moon Jae-in speaks during an online New Year news conference with local and foreign journalists at the Presidential Blue House in Seoul, South Korea, January 18, 2021. Jeon Heon-Kyun/Pool via REUTERS

South Korean President Moon Jae-in speaks during an online New Year news conference with local and foreign journalists at the Presidential Blue House in Seoul, South Korea, January 18, 2021. Jeon Heon-Kyun/Pool via REUTERS

South Korean President Moon Jae-in speaks during an online New Year news conference with local and foreign journalists at the Presidential Blue House in Seoul, South Korea, January 18, 2021. Jeon Heon-Kyun/Pool via REUTERS

South Korean President Moon Jae-in speaks during an online New Year news conference with local and foreign journalists at the Presidential Blue House in Seoul, South Korea, January 18, 2021. Jeon Heon-Kyun/Pool via REUTERS

South Korean President Moon Jae-in speaks during an online New Year news conference with local and foreign journalists at the Presidential Blue House in Seoul, South Korea, January 18, 2021. Jeon Heon-Kyun/Pool via REUTERS

South Korean President Moon Jae-in speaks during an online New Year news conference with local and foreign journalists at the Presidential Blue House in Seoul, South Korea, January 18, 2021. Jeon Heon-Kyun/Pool via REUTERS

South Korean President Moon Jae-in speaks during an online New Year news conference with local and foreign journalists at the Presidential Blue House in Seoul, South Korea, 18 January 2021. Jeon Heon-Kyun/Pool via REUTERS

A Blue Lives Matter pro-police flag is seen ripped and abandoned on the ground next to the feet of U.S. Capitol Police officers as a mob of supporters of U.S. President Donald Trump storm the U.S. Capitol Building in Washington, U.S., January 6, 2021. Picture taken January 6, 2021. REUTERS/Leah Millis

Fountains are lit blue in Trafalgar Square in support of the Clap for Heroes campaign following the spread of the coronavirus disease (COVID-19) pandemic, in London, Britain, January 7, 2021. REUTERS/Toby Melville