University students demonstrate against the crisis in the public education, budget cuts and a tax reform project announced by the government of Ivan Duque in Medellin, Colombia on December 13, 2018. (Photo by Joaquín Sarmiento/AFP Photo)

A man shaves blocks of salt from the Danakil Depression on 28 March 2017, in Afar, Ethiopia. Every morning, hundreds of men converge on a dry lakebed in a remote corner of Ethiopia, where they cleave the ground open with handaxes to extract salt, just as their fathers and grandfathers once did. (Photo by Zacharias Abubeker/AFP Photo)

Indian Air Force personnel parade during the 85th Air Force Day celebrations at Hindon Air Force base in Ghaziabad on October 8, 2017. (Photo by AFP Photo/Stringer)

Police spraying protesters with pepper spray inside Central Station after a Black Lives Matter rally in Sydney, Australia, 06 June 2020, a protest against the deaths of Aboriginal people in custody and solidarity with the US protests for George Floyd. (Photo by James Gourley/EPA/EFE)

A protester looks on during a rally against the military rule following the last coup, in Khartoum, Sudan on September 13, 2022. (Photo by Mohamed Nureldin Abdallah/Reuters)

Female Kurdish Peshmerga fighters affiliated with Iran's separatist Kurdistan Freedom Party (PAK), are pictured at a base in an undisclosed location in the Arbil province, the capital of the autonomous Kurdish region of northern Iraq, on December 1, 2022. Iranian-Kurdish rebel groups have for decades sought refuge in northern Iraq's autonomous Kurdistan region, but they have recently come under fresh fire amid weeks of protests in the neighbouring Islamic republic. (Photo by Safin Hamed/AFP Photo)

A woman reacts after getting a nasal swab taken to test for the coronavirus in Noida, on the outskirts of New Delhi, India, Tuesday, June 16, 2020. India is the fourth hardest-hit country by the COVID-19 pandemic in the world after the U.S., Russia and Brazil. (Photo by Altaf Qadri/AP Photo)

A large balloon of a face of “ojisan”, a middle aged man, floats in the sky above the grounds of Nishiki elementary school in Utsunomiya in Tochigi prefecture, 100km north of Tokyo on December 21, 2014. Members of art group “Me”, meaning “eye” in Japanese and the Utsunomiya Museum of Art launched an art installation “The Day an Ojisan's Face Floated in the Sky”, a 15-meter by 10-meter face balloon of the depicted man, who was auditioned in the city, looking down on his home town from the sky. (Photo by Yoshikazu Tsuno/AFP Photo)