Street-born cats are pictured inside of El Jardinet dels Gats (Cats' Garden), which is a cat shelter in the Raval district, amid the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain October 5, 2020. Picture taken October 5, 2020. REUTERS/Nacho Doce

Shelter owner of cats, Alex Salvador (L), 43, does a broadcast live on Instagram of a street-born cat, newly arrived inside of El Jardinet dels Gats (Cats' Garden), which is a cat shelter in the Raval district, amid the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain October 3, 2020. Picture taken October 3, 2020. REUTERS/Nacho Doce

Street-born cats eat inside of El Jardinet dels Gats (Cats' Garden), which is a cat shelter in the Raval district, amid the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain September 21, 2020. Picture taken September 21, 2020. REUTERS/Nacho Doce

A street-born cat is seen on a slide inside of El Jardinet dels Gats (Cats' Garden), which is a cat shelter in the Raval district, amid the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain October 1, 2020. Picture taken October 1, 2020. REUTERS/Nacho Doce

A street-born cat receives a slice of ham of a volunteer Swiss Andreas Schaedler, 33, inside El Jardinet dels Gats (Cats' Garden), which is a cat shelter in the Raval district,, amid the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain September 26, 2020. Picture taken September 26, 2020. REUTERS/Nacho Doce

A volunteer pets a four-year-old street-born Zipi, a cat that serves to socialise other cats as they mirror his behaviour in accepting petting and food at El Jardinet dels Gats (Cats' Garden) in the Raval district, amid the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain September 21, 2020. Picture taken September 21, 2020. REUTERS/Nacho Doce TPX IMAGES OF THE DAY

Shelter owner of cats, Alex Salvador (L), 43, drinks as she does a broadcast live on Instagram of street-born cats inside of El Jardinet dels Gats (Cats' Garden), which is a cat shelter in the Raval district, amid the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain October 3, 2020. Picture taken October 3, 2020. REUTERS/Nacho Doce TPX IMAGES OF THE DAY

The daughter of a family (not pictured), pets a street-born cat for adoption inside El Jardinet dels Gats (Cats' Garden), which is a cat shelter in the Raval district, amid the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain September 26, 2020. Picture taken September 26, 2020. REUTERS/Nacho Doce

Street-born cats are pictured inside of El Jardinet dels Gats (Cats' Garden), which is a cat shelter in the Raval district, amid the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain September 28, 2020. Picture taken September 28, 2020. REUTERS/Nacho Doce

Shelter owner of cats, Alex Salvador, 43, opens the cage with a newly- street-born cat, as they arrive at El Jardinet dels Gats (Cats' Garden), which is a cat shelter in the Raval district, amid the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain September 28, 2020. Picture taken September 28, 2020. REUTERS/Nacho Doce

Volunteers wash utensils for street-born cats inside of El Jardinet dels Gats (Cats' Garden), which is a cat shelter in the Raval district, amid the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain September 21, 2020. Picture taken September 21, 2020. REUTERS/Nacho Doce

A street-born cat is seen on a slide inside of El Jardinet dels Gats (Cats' Garden), which is a cat shelter in the Raval district, amid the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain October 1, 2020. Picture taken October 1, 2020. REUTERS/Nacho Doce TPX IMAGES OF THE DAY

Street-born cats are pictured inside of El Jardinet dels Gats (Cats' Garden), which is a cat shelter in the Raval district, amid the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain October 5, 2020. Picture taken October 5, 2020. REUTERS/Nacho Doce

Street-born cats eat next to a placard reading "Adopt" inside of El Jardinet dels Gats (Cats' Garden), which is a cat shelter in the Raval district, amid the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain September 21, 2020. Picture taken September 21, 2020. REUTERS/Nacho Doce

A street-born cat receives a slice of ham of a volunteer inside of El Jardinet dels Gats (Cats' Garden), which is a cat shelter in the Raval district, amid the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain October 3, 2020. Picture taken October 3, 2020. REUTERS/Nacho Doce