In this photograph taken on August 25, 2016, an Afghan shepherd watches over his sheep as they graze on the outskirts of Herat. (Photo by Aref Karimi/AFP Photo)

A pupil of the Dao ethnic tribe returns home from school along a hillside path at Suoi Thau village in Hoang Su Phi district of Vietnam's northern province of Ha Giang, located at the border with China, September 18, 2015. (Photo by Reuters/Kham)

A man flies a kite made of 110 Tukkal or paper lanterns for the Hindu festival of “Makar Sankranti”, which marks the start of spring, in Ahmedabad January 13, 2011. (Photo by Amit Dave/Reuters)

It wasn’t exactly the Westminster Dog Show, but it was serious stuff. Photo: five-month-old Carly LeRolls Gottesman, at Pooch Prom at Downtown at the Gardens on Saturday, April 26, 2014. Carly was crowned the 2014 Pooch Prom queen. (Photo by Thomas Cordy/The Palm Beach Post)

A basket of olives sits in an olive tree field in La Rinconada, near the Andalusian capital of Seville September 24, 2012. (Photo by Marcelo del Pozo/Reuters)

Thousands gather to rally for marriage equality ahead of a national postal survey on September 10, 2017 in Sydney, Australia. The High Court handed down its decision on Thursday to allow the government's proposed postal ballot survey to go ahead. Ballots with the question “Should the law be changed to allow same-sеx couples to marry?” will be sent to households across Australia on September 12. (Photo by Jonny Weeks/The Guardian)

Woman carrying luggage walks along a railway track on the outskirts of Mumbai, India on November 12, 2020. (Photo by Francis Mascarenhas/Reuters)

An Indian Royal Bengal tiger looks on at an enclosure on World Tiger Day at Alipore Zoo, Kolkata, India, 29 July 2019. Kolkata zoo authority added a new Tiger to the zoo for the visitors to mark the Tiger Day. Students of Kolkata are also taking part in an awareness campaign aiming to draw attention to the threats that tigers face due to habitat loss and poaching. (Photo by Piyal Adhikary/EPA/EFE)