Greyhound Racing - Newcastle Greyhound Stadium, Newcastle upon Tyne, Britain - December 30, 2020 Watermill Buffalo in action during the 14.36 Action Images/Lee Smith

Greyhound Racing - Newcastle Greyhound Stadium, Newcastle upon Tyne, Britain - December 30, 2020 Watermill Buffalo in action during the 14.36 Action Images/Lee Smith

Greyhound Racing - Newcastle Greyhound Stadium, Newcastle upon Tyne, Britain - December 30, 2020 Jumeirah Meadow, Old Buck and Do The Twist in action during the 14.04 Action Images/Lee Smith

Greyhound Racing - Newcastle Greyhound Stadium, Newcastle upon Tyne, Britain - December 30, 2020 Jumeirah Meadow, Old Buck and Do The Twist in action during the 14.04 Action Images/Lee Smith

Greyhound Racing - Newcastle Greyhound Stadium, Newcastle upon Tyne, Britain - December 30, 2020 Burgess Ronnie, Swift Unhallowed and A Bit of Beauty in action during the 14.36 Action Images/Lee Smith

Greyhound Racing - Newcastle Greyhound Stadium, Newcastle upon Tyne, Britain - December 30, 2020 Burgess Ronnie, Swift Unhallowed and A Bit of Beauty in action during the 14.36 Action Images/Lee Smith

Julia, 8, a female Greyhound dog, poses for a picture as she takes a walk with her owner during the lockdown amid the coronavirus disease (COVID-19) outbreak in Ronda, southern Spain, April 14, 2020. REUTERS/Jon Nazca

Darius Purnell, 17, loads luggage amid an outbreak of the coronavirus disease (COVID-19), after returning home outside a Greyhound bus station in Bakersfield, California, U.S., April 2, 2020. REUTERS/Shannon Stapleton

People are seen in silhouette in the waiting room of a Greyhound bus station amid an outbreak of the coronavirus disease (COVID-19) in Bakersfield, California, U.S., April 2, 2020. REUTERS/Shannon Stapleton

A woman waits at the Greyhound bus station as a group of French-speaking migrants from Congo and Angola arrive in San Antonio, Texas, U.S. June 11, 2019. Picture taken June 11, 2019. REUTERS/Callaghan O'Hare TPX IMAGES OF THE DAY

A group of French-speaking migrants from Congo and Angola wait at the Greyhound bus station in San Antonio, Texas, U.S. June 11, 2019. Picture taken June 11, 2019. REUTERS/Callaghan O'Hare

A group of French-speaking migrants from Congo and Angola wait at the Greyhound bus station in San Antonio, Texas, U.S. June 11, 2019. Picture taken June 11, 2019. REUTERS/Callaghan O'Hare

A group of French-speaking migrants from Congo and Angola wait at the Greyhound bus station in San Antonio, Texas, U.S. June 11, 2019. Picture taken June 11, 2019. REUTERS/Callaghan O'Hare

A young boy waits at the Greyhound bus station as a group of French-speaking migrants from Congo and Angola arrive in San Antonio, Texas, U.S. June 11, 2019. Picture taken June 11, 2019. REUTERS/Callaghan O'Hare

A group of French-speaking migrants from Congo and Angola board a Greyhound bus in San Antonio, Texas, U.S. June 11, 2019. Picture taken June 11, 2019. REUTERS/Callaghan O'Hare

A boy waits at the Greyhound bus station as a group of French-speaking migrants from Congo and Angola arrive in San Antonio, Texas, U.S. June 11, 2019. Picture taken June 11, 2019. REUTERS/Callaghan O'Hare

A group of French-speaking migrants from Congo and Angola wait at the Greyhound bus station in San Antonio, Texas, U.S. June 11, 2019. Picture taken June 11, 2019. REUTERS/Callaghan O'Hare

A group of French-speaking migrants from Congo and Angola wait at the Greyhound bus station in San Antonio, Texas, U.S. June 11, 2019. Picture taken June 11, 2019. REUTERS/Callaghan O'Hare

A woman waits at the Greyhound bus station as a group of French-speaking migrants from Congo and Angola arrive in San Antonio, Texas, U.S. June 11, 2019. Picture taken June 11, 2019. REUTERS/Callaghan O'Hare

A boy waits at the Greyhound bus station as a group of French-speaking migrants from Congo and Angola arrive in San Antonio, Texas, U.S. June 11, 2019. Picture taken June 11, 2019. REUTERS/Callaghan O'Hare

A woman waits at the Greyhound bus station as a group of French-speaking migrants from Congo and Angola arrive in San Antonio, Texas, U.S. June 11, 2019. Picture taken June 11, 2019. REUTERS/Callaghan O'Hare

A group of French-speaking migrants from Congo and Angola wait at the Greyhound bus station in San Antonio, Texas, U.S. June 11, 2019. Picture taken June 11, 2019. REUTERS/Callaghan O'Hare

A young boy waits at the Greyhound bus station as a group of French-speaking migrants from Congo and Angola arrive in San Antonio, Texas, U.S. June 11, 2019. Picture taken June 11, 2019. REUTERS/Callaghan O'Hare

A group of French-speaking migrants from Congo and Angola board a Greyhound bus in San Antonio, Texas, U.S. June 11, 2019. Picture taken June 11, 2019. REUTERS/Callaghan O'Hare

A group of French-speaking migrants from Congo and Angola board a Greyhound bus in San Antonio, Texas, U.S. June 11, 2019. Picture taken June 11, 2019. REUTERS/Callaghan O'Hare

A young boy waits at the Greyhound bus station as a group of French-speaking migrants from Congo and Angola arrive in San Antonio, Texas, U.S. June 11, 2019. Picture taken June 11, 2019. REUTERS/Callaghan O'Hare

A young boy waits at the Greyhound bus station as a group of French-speaking migrants from Congo and Angola arrive in San Antonio, Texas, U.S. June 11, 2019. Picture taken June 11, 2019. REUTERS/Callaghan O'Hare

A group of French-speaking migrants from Congo and Angola board a Greyhound bus in San Antonio, Texas, U.S. June 11, 2019. Picture taken June 11, 2019. REUTERS/Callaghan O'Hare

A group of French-speaking migrants from Congo and Angola board a Greyhound bus in San Antonio, Texas, U.S. June 11, 2019. Picture taken June 11, 2019. REUTERS/Callaghan O'Hare

Greyhounds compete during an annual international dog race in Gelsenkirchen, Germany, June 9, 2019. REUTERS/Thilo Schmuelgen TPX IMAGES OF THE DAY

Dogs compete during an annual international dog race in Gelsenkirchen, Germany, June 9, 2019. REUTERS/Thilo Schmuelgen

Dogs compete during an annual international dog race in Gelsenkirchen, Germany, June 9, 2019. REUTERS/Thilo Schmuelgen

Dogs compete during an annual international dog race in Gelsenkirchen, Germany, June 9, 2019. REUTERS/Thilo Schmuelgen

Dogs compete during an annual international dog race in Gelsenkirchen, Germany, June 9, 2019. REUTERS/Thilo Schmuelgen

Dogs compete during an annual international dog race in Gelsenkirchen, Germany, June 9, 2019. REUTERS/Thilo Schmuelgen

Dogs compete during an annual international dog race in Gelsenkirchen, Germany, June 9, 2019. REUTERS/Thilo Schmuelgen

Dogs compete during an annual international dog race in Gelsenkirchen, Germany, June 9, 2019. REUTERS/Thilo Schmuelgen

Dogs compete during an annual international dog race in Gelsenkirchen, Germany, June 9, 2019. REUTERS/Thilo Schmuelgen

Dogs compete during an annual international dog race in Gelsenkirchen, Germany, June 9, 2019. REUTERS/Thilo Schmuelgen

Greyhounds compete during an annual international dog race in Gelsenkirchen, Germany, June 9, 2019. REUTERS/Thilo Schmuelgen

Migrants wait to be transported to a Greyhound bus while at a shelter and processing center in Deming, New Mexico, U.S. May 27, 2019. Picture taken May 27, 2019. REUTERS/Adria Malcolm

Jhonne Padres and his son Angel Padres, from El Salvador, wait to board a Greyhound bus outside the Mimbres Food Mart in Deming, New Mexico, U.S. May 26, 2019. Picture taken May 26, 2019. REUTERS/Adria Malcolm

Jhonne Padres and his son Angel Padres, from El Salvador, wait for a Greyhound bus outside the Mimbres Food Mart in Deming, New Mexico, U.S. May 26, 2019. Picture taken May 26, 2019. REUTERS/Adria Malcolm

Migrants wait for a Greyhound bus outside the Mimbres Food Mart in Deming, New Mexico, U.S. May 26, 2019. Picture taken May 26, 2019. REUTERS/Adria Malcolm

A migrant father and his son wait for a Greyhound bus outside the Mimbres Food Mart in Deming, New Mexico, U.S. May 26, 2019. Picture taken May 26, 2019. REUTERS/Adria Malcolm

Jhonne Padres and his son Angel Padres, from El Salvador, wait for a Greyhound bus outside the Mimbres Food Mart in Deming, New Mexico, U.S. May 26, 2019. Picture taken May 26, 2019. REUTERS/Adria Malcolm

Migrants wait for a Greyhound bus outside the Mimbres Food Mart in Deming, New Mexico, U.S. May 26, 2019. Picture taken May 26, 2019. REUTERS/Adria Malcolm

Italian Greyhounds arrive for the second day of the Crufts Dog Show in Birmingham, Britain, March 8, 2019. REUTERS/Hannah McKay

A greyhound bus in a station in Tucson, Arizona, U.S., December 6, 2018. REUTERS/Nicole Neri SEARCH "NERI MONASTERY" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY.

A man from Honduras, migrating with his son, checks his Greyhound ticket several times with volunteers before departing from a motel where he stayed for a few days in Tucson, Arizona, U.S., December 6, 2018. REUTERS/Nicole Neri SEARCH "NERI MONASTERY" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Orfa, a migrant from Honduras, tries to sleep on a Greyhound bus as her daughter Rachel looks out of the window during a leg of the journey from El Paso, Texas, U.S., to Portales, New Mexico, U.S., May 16, 2018. REUTERS/Loren Elliott SEARCH "ELLIOTT ORFA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Orfa, a migrant from Honduras, and her daughter Rachel look out of the window of a Greyhound bus during a leg of the journey from El Paso, Texas, U.S., to Portales, New Mexico, U.S., May 16, 2018. REUTERS/Loren Elliott SEARCH "ELLIOTT ORFA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY

Orfa, a migrant from Honduras, rides a Greyhound bus with her children Rachel (R), Carolina (L) and Bayron (not pictured) following their release from ICE detention, after departing a bus terminal in San Antonio, Texas, U.S., May 15, 2018. REUTERS/Loren Elliott SEARCH "ELLIOTT ORFA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Orfa, a migrant from Honduras, and her children (from L) Rachel, Carolina and Bayron get back onto a Greyhound bus following a pitstop in Alamogordo, New Mexico, U.S., May 16, 2018. REUTERS/Loren Elliott SEARCH "ELLIOTT ORFA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A greyhound chases a hare during a hare coursing meeting in Abbeyfeale, Ireland December 28, 2018. REUTERS/Clodagh Kilcoyne TPX IMAGES OF THE DAY

A greyhound owner takes his dog off the field after a hare coursing meeting in Abbeyfeale, Ireland December 28, 2018. REUTERS/Clodagh Kilcoyne

A greyhound owner takes his dog off the field after a hare coursing meeting in Abbeyfeale, Ireland December 28, 2018. REUTERS/Clodagh Kilcoyne

A greyhound chases a hare during a hare coursing meeting in Abbeyfeale, Ireland December 28, 2018. REUTERS/Clodagh Kilcoyne

Greyhounds chase a hare during a hare coursing meeting in Abbeyfeale, Ireland December 28, 2018. REUTERS/Clodagh Kilcoyne

Greyhounds chase a hare during a hare coursing meeting in Abbeyfeale, Ireland December 28, 2018. REUTERS/Clodagh Kilcoyne