In this photograph taken on April 28, 2018, Afghan children work at a coal yard on the outskirts of Jalalabad, Afghanistan. (Photo by Noorullah Shirzada/AFP Photo)

Eddie Ladd and Gwyn Emberton perform as Dylan and Caitlin Thomas in “Caitlin” at the Lauriston Hall, Edinburgh, Scotland on August 25 2017. (Photo by Mary Turner/Reuters)

An Afghan boy walks past a destroyed Russian-made tank, in Kabul, Afghanistan on February 24, 2020. (Photo by Mohammad Ismail/Reuters)

A Saudi soldier fires a mortar towards Houthi movement position, at the Saudi border with Yemen April 21, 2015. (Photo by Reuters/Stringer)

Migrant Haya from Artoz, Syria, shows a picture of her town as she waits to cross the Slovenia-Austria border in Sentilj, Slovenia October 25, 2015. (Photo by Srdjan Zivulovic/Reuters)

Egyptian bootblacks cleaning a European's shoes in Cairo. (Photo by Hulton Archive/Getty Images). Circa 1870

Afghan children play at a brick-making factory on the outskirts of Jalalabad city, eastern Afghanistan on November 13, 2019. (Photo by Reuters/Parwiz)

A dancer warms up backstage before the final of the 46th Prix de Lausanne, in Lausanne, Switzerland, 03 February 2018. Launched in 1973, the Prix de Lausanne is an international dance competition for young dancers aged 15 to 18. Closing the six-day event, prizes are awarded to the best of 21 finalists consisting of scholarships granting free tuition in a world-renowned dance school or dance company. (Photo by Valentin Flauraud/EPA/EFE)