Senator Thom Tillis (R-NC) gets a kiss from service dog Morgan before a press conference in support of Puppies Assisting Wounded Service Members (PAWS) for Veterans Therapy Act, outside the United States Capitol in Washington, U.S., May 13, 2021. REUTERS/Evelyn Hockstein

Senator Thom Tillis (R-NC) pets service dog Morgan before a press conference in support of Puppies Assisting Wounded Service Members (PAWS) for Veterans Therapy Act, outside the United States Capitol in Washington, U.S., May 13, 2021. REUTERS/Evelyn Hockstein

Service dog Kaya Lyle stands with members of Congress and veterans at a press conference in support of Puppies Assisting Wounded Service Members (PAWS) for Veterans Therapy Act, outside the United States Capitol in Washington, U.S., May 13, 2021. REUTERS/Evelyn Hockstein

Wounded veteran Christopher Baity speaks at a press conference in support of Puppies Assisting Wounded Service Members (PAWS) for Veterans Therapy Act with service dog Phoenix by his side, outside the United States Capitol in Washington, U.S., May 13, 2021. REUTERS/Evelyn Hockstein

Senator Thom Tillis (R-NC) gets a kiss from service dog Morgan before a press conference in support of Puppies Assisting Wounded Service Members (PAWS) for Veterans Therapy Act, outside the United States Capitol in Washington, U.S., May 13, 2021. REUTERS/Evelyn Hockstein

Senator Steve Stivers (R-OH) gets a kiss from service dog Phoenix, after a press conference in support of Puppies Assisting Wounded Service Members (PAWS) for Veterans Therapy Act, outside the United States Capitol in Washington, U.S., May 13, 2021. REUTERS/Evelyn Hockstein TPX IMAGES OF THE DAY

A person walks with a dog as cattle graze at Shenley Toot field in a residential area of Shenley Church End, in Milton Keynes, Britain May 13, 2021. REUTERS/Andrew Boyers

Britain's Prince William pets a police dog while he visits Croydon Custody Centre to pay tribute to Sergeant Matt Ratana, who was tragically shot and killed on duty at the Centre on September 25, 2020, in Croydon, Britain May 12, 2021. Jonathan Buckmaster/Pool via REUTERS

A woman walks with her dog on the beach amid the coronavirus disease (COVID-19) outbreak in Ostend, Belgium May 11, 2021. REUTERS/Yves Herman

Adrian Klie, CEO of BrewDog Germany, stands next to beer taps at the closed DogTap restaurant of the brewing company BrewDog in Berlin, Germany May 11, 2021. REUTERS/Annegret Hilse

A view shows the interior of the closed DogTap restaurant of the brewing company BrewDog, in Berlin, Germany May 11, 2021. REUTERS/Annegret Hilse

A view shows beer taps at the closed DogTap restaurant of the brewing company BrewDog in Berlin, Germany May 11, 2021. REUTERS/Annegret Hilse

A medical worker gives a free beer to a person who got tested for coronavirus disease (COVID-19) on the premises of the brewing company BrewDog beside their DogTap restaurant in Berlin, Germany May 11, 2021. REUTERS/Annegret Hilse

A medical worker gives a free beer to a person who was tested for coronavirus disease (COVID-19) on the premises of the brewing company BrewDog beside their DogTap restaurant in Berlin, Germany May 11, 2021. REUTERS/Annegret Hilse

Luisa receives a free drink after getting a coronavirus disease (COVID-19) test on the premises of the brewing company BrewDog beside their DogTap restaurant in Berlin, Germany May 11, 2021. REUTERS/Annegret Hilse

A sign marking the coronavirus disease (COVID-19) test center is pictured on the premises of the brewing company BrewDog beside their DogTap restaurant in Berlin, Germany May 11, 2021. REUTERS/Annegret Hilse

A general view shows the coronavirus disease (COVID-19) test center on the premises of the brewing company BrewDog beside their DogTap restaurant in Berlin, Germany May 11, 2021. REUTERS/Annegret Hilse

A medical worker takes a swab sample from Luisa during a coronavirus disease (COVID-19) test, on the premises of the brewing company BrewDog beside their DogTap restaurant in Berlin, Germany May 11, 2021. REUTERS/Annegret Hilse

A man leaves the test center with a free beer after getting a coronavirus disease (COVID-19) test on the premises of the brewing company BrewDog beside their DogTap restaurant, in Berlin, Germany May 11, 2021. REUTERS/Annegret Hilse

A woman holds her dog as she is evacuated by medics after a rocket launched from the Gaza Strip hit a shopping complex in Ashkelon, southern Israel May 11, 2021. REUTERS/Amir Cohen

A woman holds her dog as she is evacuated by medics after a rocket was launched from the Gaza Strip, in Ashkelon, southern Israel May 11, 2021. REUTERS/Amir Cohen

A New York City police officer stands with his police dog in Times Square in the Manhattan borough of New York City, New York, U.S., May 10, 2021. REUTERS/Carlo Allegri

A woman and a dog in a kayak look at the scene after a three-metre minke whale calf has been put down on the banks of the River Thames in London, Britain May 10, 2021 REUTERS/Tom Nicholson

A woman walks her dog as she looks at the remains of a rocket launched from the Gaza Strip, in the outskirts of Jerusalem, May 10, 2021. REUTERS/Ammar Awad REFILE - CORRECTING INFORMATION

Mayor of London Sadiq Khan is seen walking with his dog near to his home in London, Britain, May 9, 2021. REUTERS/Henry Nicholls

Mayor of London Sadiq Khan is seen walking with his dog near to his home in London, Britain, May 9, 2021. REUTERS/Henry Nicholls

Mayor of London Sadiq Khan is seen walking with his dog near to his home in London, Britain, May 9, 2021. REUTERS/Henry Nicholls

Mayor of London Sadiq Khan is seen walking with his dog near to his home in London, Britain, May 9, 2021. REUTERS/Henry Nicholls

Mayor of London Sadiq Khan is seen walking with his dog near to his home in London, Britain, May 9, 2021. REUTERS/Henry Nicholls

Mayor of London Sadiq Khan is seen walking with his dog near to his home in London, Britain, May 9, 2021. REUTERS/Henry Nicholls

Mayor of London Sadiq Khan is seen walking with his dog near to his home in London, Britain, May 9, 2021. REUTERS/Henry Nicholls

Mayor of London Sadiq Khan is seen walking with his dog near to his home in London, Britain, May 9, 2021. REUTERS/Henry Nicholls

A locomotive of Bolivia's Andean Railway Company is being inspected by an officer and a dog of Chile's Agricultural and Livestock Service (SAG) after arriving to pick up iron coil, at the border between Chile and Bolivia, in Visviri, Chile May 7, 2021. Picture taken May 7, 2021. REUTERS/Manuel Claure

A dog is seen near a polling station during local elections, in London, Britain, May 6, 2021. REUTERS/Tom Nicholson

A dog is seen near a polling station during local elections, in Waterloo, London, Britain, May 6, 2021. REUTERS/Tom Nicholson

A person walks with dogs outside a polling station during local elections, in Hartlepool, Britain May 6, 2021. REUTERS/Lee Smith TPX IMAGES OF THE DAY

A dog is seen outside a polling station during local elections in Edinburgh, Scotland, Britain May 6, 2021. REUTERS/Russell Cheyne

A dog is seen outside a polling station during local elections, in Hartlepool, Britain May 6, 2021. REUTERS/Lee Smith

Scotland's First Minister Nicola Sturgeon and candidate Roza Salih, holding a dog, meet voters at Annette Street School polling station as Scotland's parliamentary election voting has begun, in Glasgow, Britain, May 6, 2021 . Jeff J Mitchell/Pool via REUTERS

A dog is seen outside a polling station during local elections, in Hartlepool, Britain May 6, 2021. REUTERS/Lee Smith

A woman walks with a dog outside a polling station during local elections, in Hartlepool, Britain May 6, 2021. REUTERS/Lee Smith

A woman walks with a dog outside a polling station during local elections, in Hartlepool, Britain May 6, 2021. REUTERS/Lee Smith

Mayor of London Sadiq Khan pets his dog Luna outside a polling station during local elections in London, Britain May 6, 2021. REUTERS/Hannah McKay

Mayor of London Sadiq Khan and his wife Saadiya walk with their dog Luna outside a polling station during local elections in London, Britain May 6, 2021. REUTERS/Hannah McKay

Mayor of London Sadiq Khan and his wife Saadiya pose with their dog Luna outside a polling station during local elections in London, Britain May 6, 2021. REUTERS/Hannah McKay

Mayor of London Sadiq Khan pets his dog Luna outside a polling station during local elections in London, Britain May 6, 2021. REUTERS/Hannah McKay

Mayor of London Sadiq Khan walks with his dog Luna outside a polling station during local elections in London, Britain May 6, 2021. REUTERS/Hannah McKay

Mayor of London Sadiq Khan and his wife Saadiya walk with their dog Luna outside a polling station during local elections in London, Britain May 6, 2021. REUTERS/Hannah McKay

Mayor of London Sadiq Khan and his wife Saadiya walk with their dog Luna outside a polling station during local elections in London, Britain May 6, 2021. REUTERS/Hannah McKay

A man walks with a dog past a polling station during local elections in Oxford, Britain May 6, 2021. REUTERS/Peter Cziborra

A dog is seen outside a polling station during local elections in London, Britain May 6, 2021. REUTERS/Tom Nicholson

A man walks his dog past a polling station at a church during local elections in Bletchley, Britain, May 6, 2021. REUTERS/Andrew Boyers

A person walks her dogs at Roker Pier and Lighthouse in Sunderland, Britain May 6, 2021. REUTERS/Lee Smith

A person walks her dogs at Roker Pier and Lighthouse in Sunderland, Britain May 6, 2021. REUTERS/Lee Smith

A dog named Crunch, mascot of "Les Figuiers" retirement home (EHPAD - Housing Establishment for Dependant Elderly People), is seen in the lobby of of the residence amid the coronavirus disease (COVID-19) pandemic, in Villeneuve-Loubet, France, May 5, 2021. Picture taken May 5, 2021. REUTERS/Eric Gaillard

Jay Cardiello who walks his dog near his new home says "I feel lucky to have bought a home early last year before the pandemic" in Tampa, Florida, U.S., May 5, 2021. REUTERS/Octavio Jones

A person walks their dog ahead of tomorrow's local elections, in Hartlepool, Britain May 5, 2021. REUTERS/Lee Smith

A person walks their dog ahead of tomorrow's local elections, in Hartlepool, Britain May 5, 2021. REUTERS/Lee Smith

Ana Suarez Inclan, supporter of Madrid regional government leader and Popular Party's (PP) candidate Isabel Diaz Ayuso, holds her dog Tahiti as she waits outside PP headquarters for the announcement of regional election results, in Madrid, Spain, May 4, 2021. REUTERS/Susana Vera

A woman and her dog walk out of the main gate leading into the medieval fortified city of Mdina, as Malta may be one of the countries added to a 'green' list where UK travellers will be able to visit with a negative Covid-19 test to be shown before travel but no quarantine needed after returning from holiday, Malta May 4, 2021. REUTERS/Darrin Zammit Lupi