Senegalese wrestlers cover themselves in sand as they prepare to start their training program in Petit Mbao on March 29, 2021. As Covid-19 restrictions have been lifted, wrestlers now start prepare themselves for the start of wrestling tournaments. Senegalese wrestling, which has its roots in the ceremonies celebrating the end of harvests in Serer and Diola ethnic groups and remains surrounded by a thick cloud of mystical practice, is still extremely popular in this West African country. (Photo by John Wessels/AFP Photo)

A woman wearing a protective face mask carries her pet cat in a backpack as they wait to cross a street, amid the coronavirus disease (COVID-19) outbreak in Barcelona, Spain on April 9, 2021. (Photo by Nacho Doce/Reuters)

A grey heron is seen at the Sempione park, after Lombardy was downgraded from a red to an orange zone, loosening the coronavirus disease (COVID-19) restrictions including allowing non-essential shops to re-open, in Milan, Italy, April 13, 2021. (Photo by Flavio Lo Scalzo/Reuters)

A hyena stands chained to its handler at a circus in Gabasawa, Kano State, Nigeria, July 27, 2021. Hyenas are often viewed as repulsive and sinister, partly due to their scavenging habits in the wild, but in northern Nigeria some men keep the creatures in their homes, display them at festivals and even use their dung to make remedies. (Photo by Afolabi Sotunde/Reuters)

A model poses in front of phone boxes for a photographer in London, United Kingdom on Friday, October 1, 2021. (Photo by Frank Augstein/AP Photo)

A street vendor sells Dalgona candy from the Korean Netflix series “Squid Game” at a Dalgona shop in Seoul, South Korea, October 1, 2021. (Photo by Heo Ran/Reuters)

A protester spits fire during a protest to mark the second anniversary of months of civil unrising against social inequality, in Santiago, on October 18, 2021. The social-justice protests that rocked Chile in October 2019 led ultimately to the decision to create a new constitutional convention to draft a constitution to replace the one written during the dictatorship of Augusto Pinochet (1973-1990). The new 155-member the new body is in charge of writing a new constitution meant to pry power from the hands of the elite and spread it more equitably in the South American nation. (Photo by Martin Bernetti/AFP Photo)

In this January 23, 2021, file photo, a police officer detains a young woman during a protest against the jailing of opposition leader Alexei Navalny in Pushkin square in Moscow, Russia. Allies of Navalny are calling for new protests next weekend to demand his release, following a wave of demonstrations across the country that brought out tens of thousands in a defiant challenge to President Vladimir Putin. (Photo by Alexander Zemlianichenko/AP Photo/File)