An eye of a decorated elephant is seen as it walks along a street during the annual Nawam Maha Perahera of Gangaramaya Buddhist temple in Colombo, Sri Lanka February 26, 2021. REUTERS/Dinuka Liyanawatte

Couples ride elephants during a Valentine's Day celebration at the Nong Nooch Tropical Garden in Chonburi province, Thailand, February 14, 2021. REUTERS/Chalinee Thirasupa

Couples ride elephants during a Valentine's Day celebration at the Nong Nooch Tropical Garden in Chonburi province, Thailand, February 14, 2021. REUTERS/Chalinee Thirasupa

A couple receives marriage certificates from a provincial officer as they ride elephants during a Valentine's Day celebration at the Nong Nooch Tropical Garden in Chonburi province, Thailand, February 14, 2021. REUTERS/Chalinee Thirasupa

Couple pose with marriage certificates during a Valentine's Day celebration at the Nong Nooch Tropical Garden in Chonburi province, Thailand, February 14, 2021. REUTERS/Chalinee Thirasupa

A couple poses with marriage certificates during a Valentine's Day celebration at the Nong Nooch Tropical Garden in Chonburi province, Thailand, February 14, 2021. REUTERS/Chalinee Thirasupa

A couple receives marriage certificates from a provincial officer as they ride elephants during a Valentine's Day celebration at the Nong Nooch Tropical Garden in Chonburi province, Thailand, February 14, 2021. REUTERS/Chalinee Thirasupa

A couple rides an elephant during a Valentine's Day celebration at the Nong Nooch Tropical Garden in Chonburi province, Thailand, February 14, 2021. REUTERS/Chalinee Thirasupa

A couple rides an elephant during a Valentine's Day celebration at the Nong Nooch Tropical Garden in Chonburi province, Thailand, February 14, 2021. REUTERS/Chalinee Thirasupa

A couple rides an elephant during a Valentine's Day celebration at the Nong Nooch Tropical Garden in Chonburi province, Thailand, February 14, 2021. REUTERS/Chalinee Thirasupa

An elephant decorated with flowers in a heart shape is seen before a Valentine's Day celebration at the Nong Nooch Tropical Garden in Chonburi province, Thailand, February 14, 2021. REUTERS/Chalinee Thirasupa TPX IMAGES OF THE DAY

An elephant is seen during a partial lockdown, as the spread of the coronavirus disease (COVID-19) continues, in the Kaeng Krachan elephant house at the Zoo Zurich in Zurich, Switzerland February 10, 2021. Picture taken February 10, 2021. REUTERS/Arnd Wiegmann

A police officer marches with an elephant during the country's 73rd Independence day celebrations in Colombo, Sri Lanka February 4, 2021. REUTERS/Dinuka Liyanawatte

An Asian elephant eats in his living area in The Biblical Zoo in Jerusalem, which is closed due to the coronavirus disease (COVID-19) lockdown, January 31, 2021. Picture taken January 31, 2021. REUTERS/Ammar Awad

Zoo keeperswalk with Asian elephants in The Biblical Zoo in Jerusalem, which is closed due to the coronavirus disease (COVID-19) lockdown, January 31, 2021. Picture taken January 31, 2021. REUTERS/Ammar Awad

A sculpture of an elephant, the symbol of the city of Catania, is pictured at the empty Piazza Universita, as the region of Sicily becomes a 'red zone' closing bars, restaurants and most shops as part of tougher measures to tackle the spread of the coronavirus disease (COVID-19), in Catania, Italy, January 17, 2021. REUTERS/Antonio Parrinello

An elephant wearing a protective mask is seen during a distribution event of protective masks to students, in an effort to prevent the spread of the coronavirus disease (COVID-19), ahead of Christmas celebrations at a school in Ayutthaya, Thailand December 23, 2020. REUTERS/Chalinee Thirasupa

An elephant wearing a protective mask is seen during a distribution event of protective masks to students, in an effort to prevent the spread of the coronavirus disease (COVID-19), ahead of Christmas celebrations at a school in Ayutthaya, Thailand December 23, 2020. REUTERS/Chalinee Thirasupa

Mahouts dress elephants as Santa Claus to help distribute face masks to students, in an effort to help prevent the spread of the coronavirus disease (COVID-19), ahead of Christmas celebrations at a school in Ayutthaya, Thailand, December 23, 2020. REUTERS/Chalinee Thirasupa

Students receive face masks from an elephant dressed as Santa Claus, in an effort to help prevent the spread of the coronavirus disease (COVID-19), ahead of Christmas celebrations at a school in Ayutthaya, Thailand, December 23, 2020. REUTERS/Chalinee Thirasupa

Students receive face masks from an elephant dressed as Santa Claus, in an effort to help prevent the spread of the coronavirus disease (COVID-19), ahead of Christmas celebrations at a school in Ayutthaya, Thailand, December 23, 2020. REUTERS/Chalinee Thirasupa

Mahouts dress elephants as Santa Claus to help distribute face masks to students, in an effort to help prevent the spread of the coronavirus disease (COVID-19), ahead of Christmas celebrations at a school in Ayutthaya, Thailand, December 23, 2020. REUTERS/Chalinee Thirasupa

Mahouts dress elephants as Santa Claus to help distribute face masks to students, in an effort to help prevent the spread of the coronavirus disease (COVID-19), ahead of Christmas celebrations at a school in Ayutthaya, Thailand, December 23, 2020. REUTERS/Chalinee Thirasupa

Thai mahouts dress elephants as Santa Claus to help distribute face masks to students, in an effort to help prevent the spread of the coronavirus disease (COVID-19), ahead of Christmas celebrations at a school in Ayutthaya, Thailand, December 23, 2020. REUTERS/Chalinee Thirasupa

Mahouts dress elephants as Santa Claus to help distribute face masks to students, in an effort to help prevent the spread of the coronavirus disease (COVID-19), ahead of Christmas celebrations at a school in Ayutthaya, Thailand, December 23, 2020. REUTERS/Chalinee Thirasupa

A mahout dresses an elephant as Santa Claus to help distribute face masks to students, in an effort to help prevent the spread of the coronavirus disease (COVID-19), ahead of Christmas celebrations at a school in Ayutthaya, Thailand, December 23, 2020. REUTERS/Chalinee Thirasupa

Mahouts dress elephants as Santa Claus to help distribute face masks to students, in an effort to help prevent the spread of the coronavirus disease (COVID-19), ahead of Christmas celebrations at a school in Ayutthaya, Thailand, December 23, 2020. REUTERS/Chalinee Thirasupa TPX IMAGES OF THE DAY

A mahout dresses an elephant as Santa Claus to help distribute face masks to students, in an effort to help prevent the spread of the coronavirus disease (COVID-19), ahead of Christmas celebrations at a school in Ayutthaya, Thailand, December 23, 2020. REUTERS/Chalinee Thirasupa

A mahout dresses an elephants as Santa Claus to help distribute face masks to students, in an effort to help prevent the spread of the coronavirus disease (COVID-19), ahead of Christmas celebrations at a school in Ayutthaya, Thailand, December 23, 2020. REUTERS/Chalinee Thirasupa

Mahouts dress an elephant as Santa Claus to help distribute face masks to students, in an effort to help prevent the spread of the coronavirus disease (COVID-19), ahead of Christmas celebrations at a school in Ayutthaya, Thailand, December 23, 2020. REUTERS/Chalinee Thirasupa

A student receives a face mask from an elephant dressed as Santa Claus, in an effort to help prevent the spread of the coronavirus disease (COVID-19), ahead of Christmas celebrations at a school in Ayutthaya, Thailand, December 23, 2020. REUTERS/Chalinee Thirasupa

A mahout dresses an elephant as Santa Claus to help distribute face masks to students, in an effort to help prevent the spread of the coronavirus disease (COVID-19), ahead of Christmas celebrations at a school in Ayutthaya, Thailand, December 23, 2020. REUTERS/Chalinee Thirasupa

Mahouts dress elephants as Santa Claus to help distribute face masks to students, in an effort to help prevent the spread of the coronavirus disease (COVID-19), ahead of Christmas celebrations at a school in Ayutthaya, Thailand, December 23, 2020. REUTERS/Chalinee Thirasupa

Mahouts dress elephants as Santa Claus to help distribute face masks to students, in an effort to help prevent the spread of the coronavirus disease (COVID-19), ahead of Christmas celebrations at a school in Ayutthaya, Thailand, December 23, 2020. REUTERS/Chalinee Thirasupa

The life size elephant sculptures seen on display at Waddesdon Manor near Aylesbury, Britain, December 3, 2020. REUTERS/Beresford Hodge

Workers gather as a crate carrying Kaavan, an elephant to be transported to a sanctuary in Cambodia, boards a plane at the Islamabad International Airport in Islamabad, Pakistan November 30, 2020. REUTERS/Saiyna Bashir

A crate carrying Kaavan, an elephant to be transported to a sanctuary in Cambodia, is seen at the Islamabad International Airport in Islamabad, Pakistan November 30, 2020. REUTERS/Saiyna Bashir? TPX IMAGES OF THE DAY

A man gestures next to a crate carrying Kaavan, an elephant to be transported to a sanctuary in Cambodia, at the Islamabad International Airport in Islamabad, Pakistan November 30, 2020. REUTERS/Saiyna Bashir?

A crane lifts a crate carrying Kaavan, an elephant to be transported to a sanctuary in Cambodia, at the Islamabad International Airport in Islamabad, Pakistan November 30, 2020. REUTERS/Saiyna Bashir

Zoo staff and animal experts gather as a crane lifts up a crate carrying Kaavan, an elephant to be transported to a sanctuary in Cambodia, at the Marghazar Zoo in Islamabad, Pakistan November 29, 2020. REUTERS/Saiyna Bashir

Zoo staff stand outside a crate carrying Kaavan, an elephant to be transported to a sanctuary in Cambodia, at the Marghazar Zoo in Islamabad, Pakistan November 29, 2020. REUTERS/Saiyna Bashir

Kaavan, an elephant to be transported to a sanctuary in Cambodia, stands in a crate at the Marghazar Zoo in Islamabad, Pakistan November 29, 2020. REUTERS/Saiyna Bashir

Animal experts gather as a crane uplifting crate carrying Kaavan, an elephant to be transported to a sanctuary in Cambodia, at the Marghazar Zoo in Islamabad, Pakistan November 29, 2020. REUTERS/Saiyna Bashir

Amir Khalil, head of project development at FOUR PAWS International, stands outside crate as he feeds Kaavan, an elephant to be transported to a sanctuary in Cambodia, at the Marghazar Zoo in Islamabad, Pakistan November 29, 2020. REUTERS/Saiyna Bashir

Amir Khalil, head of project development at FOUR PAWS International, and Frank Goeritz, head of the veterinary service at Leibniz Institute for zoo and wildlife research in Berlin, take blood sample of Kaavan, an elephant to be transported to a sanctuary in Cambodia, at the Marghazar Zoo in Islamabad, Pakistan November 29, 2020. REUTERS/Saiyna Bashir

Zoo staff and animal experts gather as a crane uplifting a crate carrying Kaavan, an elephant to be transported to a sanctuary in Cambodia, at the Marghazar Zoo in Islamabad, Pakistan November 29, 2020. REUTERS/Saiyna Bashir

Amir Khalil, head of project development at FOUR PAWS International, and Frank Goeritz, head of the veterinary service at Leibniz Institute for zoo and wildlife research in Berlin, perform tests on Kaavan, an elephant to be transported to a sanctuary in Cambodia, at the Marghazar Zoo in Islamabad, Pakistan November 29, 2020. REUTERS/Saiyna Bashir

Kaavan, an elephant waiting to be transported to a sanctuary in Cambodia, is seen during a farewell ceremony at the Marghazar Zoo in Islamabad, Pakistan November 23, 2020. REUTERS/Saiyna Bashir TPX IMAGES OF THE DAY

Artists perform during a farewell ceremony for Kaavan, an elephant waiting to be transported to a sanctuary in Cambodia, at the Marghazar Zoo in Islamabad, Pakistan November 23, 2020. REUTERS/Saiyna Bashir

A singer performs during a farewell ceremony for Kaavan, an elephant waiting to be transported to a sanctuary in Cambodia, at the Marghazar Zoo in Islamabad, Pakistan November 23, 2020. REUTERS/Saiyna Bashir

Kaavan, an elephant waiting to be transported to a sanctuary in Cambodia, is seen beside a crate during a farewell ceremony at the Marghazar Zoo in Islamabad, Pakistan November 23, 2020. REUTERS/Saiyna Bashir

A caretaker feeds Kaavan, an elephant waiting to be transported to a sanctuary in Cambodia, during a farewell ceremony at the Marghazar Zoo in Islamabad, Pakistan November 23, 2020. REUTERS/Saiyna Bashir

Kaavan, an elephant waiting to be transported to a sanctuary in Cambodia, is seen during a farewell ceremony at the Marghazar Zoo in Islamabad, Pakistan November 23, 2020. REUTERS/Saiyna Bashir

Amir Khalil, head of project development at FOUR PAWS International, listens to a question from a journalist (not pictured) as Kaavan, an elephant waiting to be transported to a sanctuary in Cambodia, is seen in the background during a farewell ceremony at the Marghazar Zoo in Islamabad, Pakistan November 23, 2020. REUTERS/Saiyna Bashir

Kaavan, an elephant waiting to be transported to a sanctuary in Cambodia, is seen during a farewell ceremony at the Marghazar Zoo in Islamabad, Pakistan November 23, 2020. REUTERS/Saiyna Bashir

Kaavan, an elephant waiting to be transported to a sanctuary in Cambodia, is seen during a farewell ceremony at the Marghazar Zoo in Islamabad, Pakistan November 23, 2020. REUTERS/Saiyna Bashir

Visitors wearing face masks walk by the Dumbo the Flying Elephant ride at Hong Kong Disneyland Resort following the coronavirus disease (COVID-19) outbreak in Hong Kong, China November 20, 2020. REUTERS/Lam Yik

Kaavan, an elephant waiting to be transported to a sanctuary in Cambodia, is seen during a crate training at the Marghazar Zoo in Islamabad, Pakistan November 12, 2020. REUTERS/Saiyna Bashir

Amir Khalil, head of project development at FOUR PAWS International, feeds Kaavan, an elephant waiting to be transported to a sanctuary in Cambodia, during a crate training at the Marghazar Zoo in Islamabad, Pakistan November 12, 2020. REUTERS/Saiyna Bashir

Kaavan, an elephant waiting to be transported to a sanctuary in Cambodia, is seen during a crate training at the Marghazar Zoo in Islamabad, Pakistan November 12, 2020. REUTERS/Saiyna Bashir