An elephant is seen as residents from Casaverde nursing homes visit the zoo during their first group outing since the start of the coronavirus disease (COVID-19) pandemic, in Madrid, Spain, May 5, 2021. REUTERS/Susana Vera

Founder of Taigan safari park Oleg Zubkov kisses an elephant inside an open-air enclosure in Belogorsk, Crimea May 4, 2021. REUTERS/Alexey Pavlishak

Founder of Taigan safari park Oleg Zubkov watches an elephant taking a bath inside an open-air enclosure in Belogorsk, Crimea May 4, 2021. REUTERS/Alexey Pavlishak

People take video of an elephant that dusts itself with soil at Taigan safari park in Belogorsk, Crimea May 4, 2021. REUTERS/Alexey Pavlishak

Elephants dust themselves with soil at Taigan safari park in Belogorsk, Crimea May 4, 2021. REUTERS/Alexey Pavlishak TPX IMAGES OF THE DAY

Elephants are seen inside an open-air enclosure at Taigan safari park in Belogorsk, Crimea May 4, 2021. REUTERS/Alexey Pavlishak

Elephants walk along an open-air enclosure at Taigan safari park in Belogorsk, Crimea May 4, 2021. REUTERS/Alexey Pavlishak

Founder of Taigan safari park Oleg Zubkov escorts an elephant while walking into an open-air enclosure in Belogorsk, Crimea May 4, 2021. REUTERS/Alexey Pavlishak

Spectators watch an elephant walking into an open-air enclosure at Taigan safari park in Belogorsk, Crimea May 4, 2021. REUTERS/Alexey Pavlishak

Spectators watch an elephant walking into an open-air enclosure at Taigan safari park in Belogorsk, Crimea May 4, 2021. REUTERS/Alexey Pavlishak

Spectators watch elephants walking into an open-air enclosure at Taigan safari park in Belogorsk, Crimea May 4, 2021. REUTERS/Alexey Pavlishak

Spectators watch an elephant walking into an open-air enclosure at Taigan safari park in Belogorsk, Crimea May 4, 2021. REUTERS/Alexey Pavlishak

A combination picture shows baby elephant Otto as he spends time in the outdoor compound at Hellabrunn Zoo after its re-opening, while measures to contain the coronavirus disease (COVID-19) are still in place in Munich, Germany, May 3, 2021. REUTERS/Andreas Gebert

Baby elephant Otto falls over while playing with a metal ball on the outdoor compound at Hellabrunn Zoo after its re-opening, while measures to contain the coronavirus disease (COVID-19) are still in place in Munich, Germany, May 3, 2021. REUTERS/Andreas Gebert

Baby elephant Otto falls over while playing with a metal ball on the outdoor compound at Hellabrunn Zoo after its re-opening, while measures to contain the coronavirus disease (COVID-19) are still in place in Munich, Germany, May 3, 2021. REUTERS/Andreas Gebert

Baby elephant Otto spends time in the outdoor compound at Hellabrunn Zoo after its re-opening, while measures to contain the coronavirus disease (COVID-19) are still in place in Munich, Germany, May 3, 2021. REUTERS/Andreas Gebert

Baby elephant Otto spends time in the outdoor compound at Hellabrunn Zoo after its re-opening, while measures to contain the coronavirus disease (COVID-19) are still in place in Munich, Germany, May 3, 2021. REUTERS/Andreas Gebert

Baby elephant Otto spends time in the outdoor compound at Hellabrunn Zoo after its re-opening, while measures to contain the coronavirus disease (COVID-19) are still in place in Munich, Germany, May 3, 2021. REUTERS/Andreas Gebert

Baby elephant Otto spends time in the outdoor compound at Hellabrunn Zoo after its re-opening, while measures to contain the coronavirus disease (COVID-19) are still in place in Munich, Germany, May 3, 2021. REUTERS/Andreas Gebert

Baby elephant Otto spends time in the outdoor compound at Hellabrunn Zoo after its re-opening, while measures to contain the coronavirus disease (COVID-19) are still in place in Munich, Germany, May 3, 2021. REUTERS/Andreas Gebert

Baby elephant Otto spends time in the outdoor compound at Hellabrunn Zoo after its re-opening, while measures to contain the coronavirus disease (COVID-19) are still in place in Munich, Germany, May 3, 2021. REUTERS/Andreas Gebert

Baby elephant Otto spends time in the outdoor compound at Hellabrunn Zoo after its re-opening, while measures to contain the coronavirus disease (COVID-19) are still in place in Munich, Germany, May 3, 2021. REUTERS/Andreas Gebert

Baby elephant Otto spends time in the outdoor compound at Hellabrunn Zoo after its re-opening, while measures to contain the coronavirus disease (COVID-19) are still in place in Munich, Germany, May 3, 2021. REUTERS/Andreas Gebert

Baby elephant Otto spends time in the outdoor compound at Hellabrunn Zoo after its re-opening, while measures to contain the coronavirus disease (COVID-19) are still in place in Munich, Germany, May 3, 2021. REUTERS/Andreas Gebert

A one-week-old asian elephant is seen with his mum Angele at Budapest Zoo, Hungary, May 1, 2021. REUTERS/Bernadett Szabo

A one-week-old asian elephant is seen with his mum Angele at Budapest Zoo, Hungary, May 1, 2021. REUTERS/Bernadett Szabo

A one-week-old asian elephant is seen with his mum Angele at Budapest Zoo, Hungary, May 1, 2021. REUTERS/Bernadett Szabo

A one-week-old asian elephant is seen with his mum Angele at Budapest Zoo, Hungary, May 1, 2021. REUTERS/Bernadett Szabo

An elephant walks at a reserve park in Phuket Island, Thailand April 2, 2021. Picture taken April 2, 2021. REUTERS/Jorge Silva

Insignia belonging to Britain's Prince Philip, the Royal Victorian Order Collar and Badge, and the Royal Victorian Order Breast Star and Badge (front) and The Order of the Elephant (Denmark), and the Order of the Redeemer (Greece), are placed on the altar in St George's Chapel, Windsor, ahead of his funeral, Britain April 16, 2021. Picture taken April 16, 2021. Steve Parsons/Pool via REUTERS

The Order of the Elephant (Denmark), and the Order of the Redeemer (Greece) are sewn onto a cushion in St James's Palace following Britain's Prince Philip death, in London, Britain April 13, 2021. Picture taken April 13, 2021. The cushions displaying medals and decorations conferred on the Duke of Edinburgh by the United Kingdom and other countries across the world will be placed on the altar in St George's Chapel, in Windsor, ahead of his funeral on Saturday. Kirsty O'Connor/PA Wire/Pool via REUTERS

Visitors look at an elephant getting a bath at a zoo, after it reopened for the first time during the coronavirus disease (COVID-19) pandemic, in New Delhi, India, April 1, 2021. REUTERS/Anushree Fadnavis

Visitors look at elephants getting a bath at a zoo, after it reopened for the first time during the coronavirus disease (COVID-19) pandemic, in New Delhi, India, April 1, 2021. REUTERS/Anushree Fadnavis

A child feeds an elephant during Thailand's National Elephant Day celebration in the ancient city of Ayutthaya, Thailand, March 13, 2021. REUTERS/Chalinee Thirasupa TPX IMAGES OF THE DAY

People attend the celebration of Thailand's National Elephant Day in the ancient city of Ayutthaya, Thailand, March 13, 2021. REUTERS/Chalinee Thirasupa

Young mahouts play with elephants in the Chao Phraya River after the celebrations of Thailand's National Elephant Day in the ancient city of Ayutthaya, Thailand, March 13, 2021. REUTERS/Chalinee Thirasupa TPX IMAGES OF THE DAY

A Buddhist monk feeds elephants during Thailand's National Elephant Day celebration in the ancient city of Ayutthaya, Thailand, March 13, 2021. REUTERS/Chalinee Thirasupa

A man prays while a Buddhist monk sprinkles holy water during Thailand's National Elephant Day celebration in the ancient city of Ayutthaya, Thailand, March 13, 2021. REUTERS/Chalinee Thirasupa

People pose next to elephants during Thailand's National Elephant Day celebration in the ancient city of Ayutthaya, Thailand, March 13, 2021. REUTERS/Chalinee Thirasupa

A child feeds an elephant during Thailand's National Elephant Day celebration in the ancient city of Ayutthaya, Thailand, March 13, 2021. REUTERS/Chalinee Thirasupa

A child feeds an elephant during Thailand's National Elephant Day celebration in the ancient city of Ayutthaya, Thailand, March 13, 2021. REUTERS/Chalinee Thirasupa

People feed elephants during Thailand's National Elephant Day celebration in the ancient city of Ayutthaya, Thailand, March 13, 2021. REUTERS/Chalinee Thirasupa

A child stands in front of elephants during Thailand's national elephant day celebration in the ancient city of Ayutthaya, Thailand, March 13, 2021. REUTERS/Chalinee Thirasupa

Mahouts ride elephants during Thailand's national elephant day celebration in the ancient city of Ayutthaya, Thailand, March 13, 2021. REUTERS/Chalinee Thirasupa

Jeremiah Salash, a representative of KiliAvo Fresh Ltd walks outside their compound within the Amboseli ecosystem near Kimana, Kenya February 9, 2021. Picture taken February 9, 2021. REUTERS/Thomas Mukoya

Jeremiah Salash, a representative of KiliAvo Fresh Ltd stands outside their compound within the Amboseli ecosystem near Kimana, Kenya February 9, 2021. Picture taken February 9, 2021. REUTERS/Thomas Mukoya

Wildebeests are seen within the Kimana Sanctuary, part of a crucial wildlife corridor that links the Amboseli National Park to the Chyulu Hills and Tsavo protected areas, within the Amboseli ecosystem in Kimana, Kenya February 8, 2021. Picture taken February 8, 2021. REUTERS/Thomas Mukoya

Jeremiah Salash, a representative of KiliAvo Fresh Ltd stands outside their compound within the Amboseli ecosystem near Kimana, Kenya February 9, 2021. Picture taken February 9, 2021. REUTERS/Thomas Mukoya

Wildebeests are seen within the Kimana Sanctuary, part of a crucial wildlife corridor that links the Amboseli National Park to the Chyulu Hills and Tsavo protected areas, within the Amboseli ecosystem in Kimana, Kenya February 8, 2021. Picture taken February 8, 2021. REUTERS/Thomas Mukoya

Ernest Manto from the Big Life Foundation talks during a Reuters interview within the Amboseli ecosystem in Kimana, Kenya February 8, 2021. Picture taken February 8, 2021. REUTERS/Thomas Mukoya

Elephants are seen within the Kimana Sanctuary, part of a crucial wildlife corridor that links the Amboseli National Park to the Chyulu Hills and Tsavo protected areas, within the Amboseli ecosystem in Kimana, Kenya February 8, 2021. Picture taken February 8, 2021. REUTERS/Thomas Mukoya

Elephants are seen within the Kimana Sanctuary, part of a crucial wildlife corridor that links the Amboseli National Park to the Chyulu Hills and Tsavo protected areas, within the Amboseli ecosystem in Kimana, Kenya February 8, 2021. Picture taken February 8, 2021. REUTERS/Thomas Mukoya

An elephant walks within the Kimana Sanctuary, part of a crucial wildlife corridor that links the Amboseli National Park to the Chyulu Hills and Tsavo protected areas, within the Amboseli ecosystem in Kimana, Kenya January 31, 2021. Picture taken January 31, 2021. REUTERS/Nazanine Moshiri

A motorcycle taxi rider carries a passenger past a road laced with an electric fence within the Kimana Sanctuary, part of a crucial wildlife corridor that links the Amboseli National Park to the Chyulu Hills and Tsavo protected areas, within the Amboseli ecosystem in Kimana, Kenya February 8, 2021. Picture taken February 8, 2021. REUTERS/Thomas Mukoya

Elephants are seen within the Kimana Sanctuary, part of a crucial wildlife corridor that links the Amboseli National Park to the Chyulu Hills and Tsavo protected areas, within the Amboseli ecosystem in Kimana, Kenya February 8, 2021. Picture taken February 8, 2021. REUTERS/Thomas Mukoya

A giraffe crosses a road laced with an electric fence within the Kimana Sanctuary, part of a crucial wildlife corridor that links the Amboseli National Park to the Chyulu Hills and Tsavo protected areas, within the Amboseli ecosystem in Kimana, Kenya February 8, 2021. Picture taken February 8, 2021. REUTERS/Thomas Mukoya TPX IMAGES OF THE DAY

Samuel Ole Kaanki chairman of Amboseli Land Owners Conservancy Association (ALOCA) talks during a Reuters interview within the Amboseli ecosystem in Kimana, Kenya February 8, 2021. Picture taken February 8, 2021. REUTERS/Thomas Mukoya

Elephants are seen within the Kimana Sanctuary, part of a crucial wildlife corridor that links the Amboseli National Park to the Chyulu Hills and Tsavo protected areas, within the Amboseli ecosystem in Kimana, Kenya February 8, 2021. Picture taken February 8, 2021. REUTERS/Thomas Mukoya

Elephants are seen within the Kimana Sanctuary, part of a crucial wildlife corridor that links the Amboseli National Park to the Chyulu Hills and Tsavo protected areas, within the Amboseli ecosystem in Kimana, Kenya February 8, 2021. Picture taken February 8, 2021. REUTERS/Thomas Mukoya

An elephant walks within the Kimana Sanctuary, part of a crucial wildlife corridor that links the Amboseli National Park to the Chyulu Hills and Tsavo protected areas, within the Amboseli ecosystem in Kimana, Kenya February 8, 2021. Picture taken February 8, 2021. REUTERS/Thomas Mukoya