A man has his temperature checked before entering Las Ventas bullring ahead of the first bullfight since the start of the coronavirus disease (COVID-19) pandemic, in Madrid, Spain, May 2, 2021. REUTERS/Susana Vera

People stand outside Las Ventas bullring ahead of the first bullfight since the start of the coronavirus disease (COVID-19) pandemic, in Madrid, Spain, May 2, 2021. REUTERS/Susana Vera

A woman uses a hand sanitiser as she enters the Las Ventas bullring ahead of the first bullfight since the start of the coronavirus disease (COVID-19) pandemic, in Madrid, Spain, May 2, 2021. REUTERS/Susana Vera

People queue to go inside Las Ventas bullring for the first bullfight since the start of the coronavirus disease (COVID-19) pandemic, in Madrid, Spain, May 2, 2021. REUTERS/Susana Vera

People walk past Las Ventas bullring ahead of the first bullfight since the start of the coronavirus disease (COVID-19) pandemic, in Madrid, Spain May 1, 2021. REUTERS/Susana Vera

Guillermo Sabando disinfects the stands at Las Ventas bullring ahead of the first bullfight since the start of the coronavirus disease (COVID-19) pandemic, in Madrid, Spain, May 1, 2021. REUTERS/Susana Vera

A hand sanitizer bottle is displayed as Obinna Kingsley disinfects the stands at Las Ventas bullring ahead of the first bullfight since the start of the coronavirus disease (COVID-19) pandemic, in Madrid, Spain May 1, 2021. REUTERS/Susana Vera

Social distancing stickers are laid out on the stands as Obinna Kingsley disinfects them at Las Ventas bullring ahead of the first bullfight since the start of the coronavirus disease (COVID-19) pandemic, in Madrid, Spain May 1, 2021. REUTERS/Susana Vera

A woman skates outside Las Ventas bullring ahead of the first bullfight since the start of the coronavirus disease (COVID-19) pandemic, in Madrid, Spain May 1, 2021. REUTERS/Susana Vera

Obinna Kingsley disinfects the stands at Las Ventas bullring ahead of the first bullfight since the start of the coronavirus disease (COVID-19) pandemic, in Madrid, Spain May 1, 2021. REUTERS/Susana Vera

Social distancing stickers are laid out on the stands as Armando Cortes does clean up work at Las Ventas bullring ahead of the first bullfight since the start of the coronavirus disease (COVID-19) pandemic, in Madrid, Spain May 1, 2021. REUTERS/Susana Vera

Hand sanitizer bottles are laid out at the main entrance of Las Ventas bullring ahead of the first bullfight since the start of the coronavirus disease (COVID-19) pandemic, in Madrid, Spain May 1, 2021. REUTERS/Susana Vera

Social distancing stickers are laid out on the stands as Obinna Kingsley disinfects them at Las Ventas bullring ahead of the first bullfight since the start of the coronavirus disease (COVID-19) pandemic, in Madrid, Spain, May 1, 2021. REUTERS/Susana Vera

Frutos Garcia and Pedro Torrero sweep Las Ventas bullring ahead of the first bullfight since the start of the coronavirus disease (COVID-19) pandemic, in Madrid, Spain May 1, 2021. REUTERS/Susana Vera

A participant is tossed by a bull during a traditional bullfighting event while the coronavirus disease (COVID-19) outbreak continues in Granada, Nicaragua August 22, 2020. REUTERS/Oswaldo Rivas

Participants take part in a traditional bullfighting event while the coronavirus disease (COVID-19) outbreak continues in Granada, Nicaragua August 22, 2020. REUTERS/Oswaldo Rivas

Participants take part in a traditional bullfighting event while the coronavirus disease (COVID-19) outbreak continues in Granada, Nicaragua August 22, 2020. REUTERS/Oswaldo Rivas

A participant runs away from a bull during a traditional bullfighting event while the coronavirus disease (COVID-19) outbreak continues in Granada, Nicaragua August 22, 2020. REUTERS/Oswaldo Rivas

Participants take part in a traditional bullfighting event while the coronavirus disease (COVID-19) outbreak continues in Granada, Nicaragua August 22, 2020. REUTERS/Oswaldo Rivas

A participant rides a bull during a traditional bullfighting event while the coronavirus disease (COVID-19) outbreak continues in Granada, Nicaragua August 22, 2020. REUTERS/Oswaldo Rivas

A participant runs away from a bull during a traditional bullfighting event while the coronavirus disease (COVID-19) outbreak continues in Granada, Nicaragua August 22, 2020. REUTERS/Oswaldo Rivas

An animal rights supporter wearing a protective mask stands among signs reading: "Stop the bullfighting" as he takes part in a protest to demand the banning of bullfighting, in Madrid, Spain July 12, 2020. REUTERS/Sergio Perez

An animal rights supporter wearing a protective mask stands among signs reading: "Stop the bullfighting" as she takes part in a protest to demand the banning of bullfighting, in Madrid, Spain July 12, 2020. REUTERS/Sergio Perez

An animal rights supporter wearing a protective mask reading: "I defend the animals" takes part in a protest to demand the banning of bullfighting, in Madrid, Spain July 12, 2020. REUTERS/Sergio Perez

An animal rights supporter wearing a protective mask reading: "I defend the animals" takes part in a protest to demand the banning of bullfighting in Madrid, Spain July 12, 2020. REUTERS/Sergio Perez

A taxidermy bull of San Fermin bullfights is seen at the "El panuelico de Hemingway" souvenir shop, along the 875-meter course of the running of the bulls from a corral to the bullring, at Estafeta street during the San Fermin festival which was cancelled due to the coronavirus disease (COVID-19) outbreak, in Pamplona, Spain July 7, 2020. Picture taken July 7, 2020. REUTERS/Jon Nazca

Taxidermy bulls of San Fermin bullfights are seen at "El panuelico de Hemingway" souvenir shop, along the 875-meter course of the running of the bulls from a corral to the bullring, at Estafeta street during the San Fermin festival which was cancelled due to the coronavirus disease (COVID-19) outbreak, in Pamplona, Spain July 7, 2020. Picture taken July 7, 2020. REUTERS/Jon Nazca

A bull horn, a sword and "muletas" for the training of apprentice bullfighters are seen in a bullring, along the 875-meter course of the running of the bulls from a corral to the bullring, during the San Fermin festival which was cancelled due to the coronavirus disease (COVID-19) outbreak, in Pamplona, Spain July 7, 2020. Picture taken July 7, 2020. REUTERS/Jon Nazca

A picture of bullfighters for visitors to pose with is seen in a bullring, along the 875-meter course of the running of the bulls from a corral to the bullring, during the San Fermin festival which was cancelled due to the coronavirus disease (COVID-19) outbreak, in Pamplona, Spain July 7, 2020. Picture taken July 7, 2020. REUTERS/Jon Nazca

A cart with bull horns for the training of apprentice bullfighters is seen on the arena in a bullring, along the 875-meter course of the running of the bulls from a corral to the bullring, during the San Fermin festival which was cancelled due to the coronavirus disease (COVID-19) outbreak, in Pamplona, Spain July 7, 2020. Picture taken July 7, 2020. REUTERS/Jon Nazca

A Reuters photographer holds a picture of revellers attempting to dodge a wild cow following the first running of the bulls at the San Fermin festival, taken in July 2019, in front of the bullring, as a Spanish apprentice bullfighters trains on the arena during the second day of San Fermin festival which was cancelled due to the coronavirus disease (COVID-19) outbreak, in Pamplona, Spain July 7, 2020. Picture taken July 7, 2020. REUTERS/Jon Nazca/Illustration TPX IMAGES OF THE DAY

A Reuters photographer holds a picture of Spanish bullfighter Antonio Ferrera giving the 'coup de grace' with a dagger to a bull after driving the sword into it during a bullfight at the San Fermin festival, in front of the bullring, during the second day of San Fermin festival which was cancelled due to the coronavirus disease (COVID-19) outbreak, in Pamplona, Spain July 7, 2020. Picture taken July 7, 2020. REUTERS/Jon Nazca/Illustration

A Reuters photographer holds a picture of an assistant bullfighter removing a sword after Spanish bullfighter Cayetano Rivera drove it into a bull during a bullfight at the San Fermin festival, in front of the bullring, during the second day of San Fermin festival which was cancelled due to the coronavirus disease (COVID-19) outbreak, in Pamplona, Spain July 7, 2020. Picture taken July 7, 2020. REUTERS/Jon Nazca/Illustration

A Reuters photographer holds a picture of a reveller falling at the entrance of the bullring during the running of the bulls at the San Fermin festival, taken in July 2019, in front of the bullring, as Spanish apprentice bullfighters train on the arena during the second day of San Fermin festival which was cancelled due to the coronavirus disease (COVID-19) outbreak, in Pamplona, Spain July 7, 2020. Picture taken July 7, 2020. REUTERS/Jon Nazca/Illustration

A Reuters photographer holds a picture of Mexican bullfighter Luis David facing a bull during a bullfight at the San Fermin festival, in front of the bullring, as tourists walk on the arena during the second day of San Fermin festival which was cancelled due to the coronavirus disease (COVID-19) outbreak, in Pamplona, Spain July 7, 2020. Picture taken July 7, 2020. REUTERS/Jon Nazca/Illustration

A Reuters photographer holds a picture of an assistant bullfighter trying to draw the attention of a bull during a bullfight at the San Fermin festival, in front of the bullring, during the second day of San Fermin festival which was cancelled due to the coronavirus disease (COVID-19) outbreak, in Pamplona, Spain July 7, 2020. Picture taken July 7, 2020. REUTERS/Jon Nazca/Illustration

A Reuters photographer holds a picture of an assistant bullfighter watching a balloon during a bullfight at the San Fermin festival, in front of the bullring, as Spanish apprentice bullfighters paint lines on the arena during the second day of San Fermin festival which was cancelled due to the coronavirus disease (COVID-19) outbreak, in Pamplona, Spain July 7, 2020. Picture taken July 7, 2020. REUTERS/Jon Nazca/Illustration

A Reuters photographer holds a picture of Spanish bullfighter Pablo Aguado driving the sword into a bull during a bullfight at the San Fermin festival, in front of the bullring, as a Spanish apprentice bullfighter (L) and a worker paint lines on the arena during the second day of San Fermin festival which was cancelled due to the coronavirus disease (COVID-19) outbreak, in Pamplona, Spain July 7, 2020. Picture taken July 7, 2020. REUTERS/Jon Nazca/Illustration

A Reuters photographer holds a picture of Spanish bullfighter Javier Marin being tackled by a bull during a bullfight at the San Fermin festival, in front of the bullring, as a worker walks on the arena during the second day of San Fermin festival which was cancelled due to the coronavirus disease (COVID-19) outbreak, in Pamplona, Spain July 7, 2020. Picture taken July 7, 2020. REUTERS/Jon Nazca/Illustration

Spanish apprentice bullfighter Nabil Essaouari "El Moro", performs a pass to bull horns as he practices in a bullring, on the day the first running of the bulls of the San Fermin festival, which was cancelled due to the coronavirus disease (COVID-19) outbreak, should have taken place, in Pamplona, Spain July 7, 2020. REUTERS/Jon Nazca

Spanish apprentice bullfighter Nabil Essaouari "El Moro", performs a pass to bull horns as he practices in a bullring, on the day the first running of the bulls of the San Fermin festival, which was cancelled due to the coronavirus disease (COVID-19) outbreak, should have taken place, in Pamplona, Spain July 7, 2020. REUTERS/Jon Nazca

Spanish apprentice bullfighter Nabil Essaouari "El Moro", performs a pass to bull horns as he practices in a bullring, on the day the first running of the bulls of the San Fermin festival, which was cancelled due to the coronavirus disease (COVID-19) outbreak, should have taken place, in Pamplona, Spain July 7, 2020. REUTERS/Jon Nazca

People applaud outside Las Ventas bullring to show their support for bullfighting, following the impact of the coronavirus disease (COVID-19) outbreak which led to the cancellation of bullfights, in Madrid, Spain, June 13, 2020. REUTERS/Susana Vera

A woman wearing a protective face mask reading "I'm a bullfighting fan" stands outside Las Ventas bullring to show her support for bullfighting, following the impact of the coronavirus disease (COVID-19) outbreak which led to the cancellation of bullfights, in Madrid, Spain, June 13, 2020. REUTERS/Susana Vera

A man performs a pass with a cape as people stand outside Las Ventas bullring to show support for bullfighting, following the impact of the coronavirus disease (COVID-19) outbreak which led to the cancellation of bullfights, in Madrid, Spain, June 13, 2020. REUTERS/Susana Vera

A man wearing a protective face mask is seen outside Las Ventas bullring to show support for bullfighting, following the impact of the coronavirus disease (COVID-19) outbreak which led to the cancellation of bullfights, in Madrid, Spain, June 13, 2020. REUTERS/Susana Vera

A statue of a bullfighter is disinfected, amid the coronavirus disease (COVID-19) outbreak, in downtown Ronda, southern Spain, April 7, 2020. REUTERS/Jon Nazca

Empty seats of a Bullfighting Arena are pictured after the bullfighting events were suspended, following an outbreak of coronavirus disease (COVID-19) in Cheongdo county, which has been designated as a 'special care zone' since the coronavirus outbreak, near Daegu in North Gyeongsang Province, South Korea, March 11, 2020. REUTERS/Kim Kyung-Hoon

A girl lights a candle during a protest demanding the abolition of bullfightings in Bogota, Colombia February 1, 2020. REUTERS/Luisa Gonzalez

A dog is seen during a protest demanding the abolition of bullfightings in Bogota, Colombia February 1, 2020. REUTERS/Luisa Gonzalez

People hold candles during a protest demanding the abolition of bullfightings in Bogota, Colombia February 1, 2020. REUTERS/Luisa Gonzalez

People hold candles during a protest demanding the abolition of bullfightings in Bogota, Colombia February 1, 2020. REUTERS/Luisa Gonzalez

A woman holds a sign that reads "Torture, neither art, nor culture" during a protest demanding the abolition of bullfightings in Bogota, Colombia February 1, 2020. REUTERS/Luisa Gonzalez

An animal rights activist takes part in a march during a demonstration against bullfighting events and animals in circuses, along Reforma Avenue in Mexico City, Mexico August 25, 2019. The sign reads, "Let's take care of the animals". REUTERS/Henry Romero

An animal rights activist takes part in a march during a demonstration against bullfighting events and animals in circuses, along Reforma Avenue in Mexico City, Mexico August 25, 2019. The poster reads "No to performance with animals". REUTERS/Henry Romero

An animal rights activist takes part in a march during a demonstration against bullfighting events and animals in circuses, along Reforma Avenue in Mexico City, Mexico August 25, 2019. The poster showing a picture of a horse reads, "Not a slave." REUTERS/Henry Romero

An animal rights activist takes part in a march during a demonstration against bullfighting events and animals in circuses, along Reforma Avenue in Mexico City, Mexico 25, 2019. REUTERS/Henry Romero

An animal rights activist takes part in a march during a demonstration against bullfighting events and animals in circuses, along Reforma Avenue in Mexico City, Mexico 25, 2019. REUTERS/Henry Romero

An artist called "The Bullfighter" takes part in the festival "Statues en Marche" in Marche-en-Famenne, Belgium, July 20, 2019. REUTERS/Yves Herman

Revellers place candles on a wall after the closing ceremony of the San Fermin festival in Pamplona, northern Spain, early July 15, 2019. REUTERS/Susana Vera