Children ride on the back of a truck at a camp for internally displaced people (IDPs) in Marib, Yemen on September 9, 2021. (Photo by Ali Owidha/Reuters)

People travel in a taxi carrying sheep on a luggage carrier and in the car boot in Kandahar October 30, 2021. (Photo by Bulent Kilic/AFP Photo)

A woman and her son hold firecrackers during Diwali, the Hindu festival of lights, in Mumbai, India, November 4, 2021. (Photo by Francis Mascarenhas/Reuters)

The sun rises through the thick fog that covers the city of Frankfurt, Germany, Friday, November 12, 2021. (Photo by Michael Probst/AP Photo)

A woman crosses the street on a foggy morning in Frankfurt, Germany, Friday, October 29, 2021. (Photo by Michael Probst/AP Photo)

Participants at the Dubai Run at Sheikh Zayed Road in Dubai, United Arab Emirates on November 26, 2021. (Photo by Ruel Pableo for The National)

Workers clad in a dog and a wild boar costumes, to represent the outgoing year of the dog and incoming year of the wild boar, clean windows on the side of a hotel in Tokyo on December 13, 2018. (Photo by Kazuhiro Nogi/AFP Photo)

Members of a local winter swimming club photograph as they take part in festive bathing in the icy waters of Boyarskoye lake outside Tomsk, Russia, December 26, 2021. (Photo by Taisiya Vorontsova/Reuters)