A child playing with snow in Moscow's Red Square in Moscow, Russia on January 27, 2019. (Photo by Sergei Karpukhin/TASS)





(L-R) Adriel, 6, Matheus 6, and Rian, 5, look at her classmate Michelly as they play during class at Sao Jose school in Morro Do Veridiano, Belagua Municipality, Maranhao state, Brazil, October 10, 2018. Picture taken October 10, 2018. According to the 2015 National Household Sample Survey (Pnad), 2.8 million children and adolescents aged 4 to 17 are out of school. More than half (53 percent) come from households whose income per capita does not exceed half the minimum wage, a value of 477 reais (~$123 USD). While Brazil is in the top ten economies in the world, there are still millions of people in the northeast of the country who are in extreme poverty. (Photo by Nacho Doce/Reuters)





A girl walks near her house destroyed in an air strike carried out by the Saudi-led coalition in Faj Attan village, Sanaa, Yemen December 13, 2018. (Photo by Mohamed al-Sayaghi/Reuters)





People enjoy the waters of Ipanema beach in Rio de Janeiro, Brazil January 11, 2019. (Photo by Pilar Olivares/Reuters)





Children play with a ball after rice is spread for drying at a rice mill on the outskirts of Kolkata, India, January 31, 2019. (Photo by Rupak De Chowdhuri/Reuters)





To Gia Huy, 9, has a haircut in a North Korean leader Kim Jong Un style in a haircut salon in Hanoi, Vietnam February 19, 2019. (Photo by Reuters/Kham)





In this December 11, 2018 photo, Violeta, a transgender girl, jumps during recess at the Amaranta Gomez school in Santiago, Chile. Students agreed that the school has helped them fully embrace their identity. (Photo by Esteban Felix/AP Photo)





A Yemeni boy (C) working in ferrying goods waits to be hired at a market in the old quarter of Sana'a, Yemen, 25 December 2018. Yemen has been engulfed in a four-year conflict since the Saudi-led coalition launched its military campaign to roll back the Houthi rebels and reinstate the country’s exiled government in the capital Sana'a. (Photo by Yahya Arhab/EPA/EFE)





Thai students dressed as Santa Claus congregate during Christmas celebrations with elephants at a school in the world heritage city of Ayutthaya, north of Bangkok, Thailand, 24 December 2018. The annual event is held every year for to celebrate the upcoming Christmas festive season and promote tourism in Ayutthaya. (Photo by Narong Sangnak/EPA/EFE)





Young girl walk past a dog standing in a door in Antananarivo, Madagascar, Sunday, December 16, 2018. Two former presidents of Madagascar, Andry Rajoelina and Marc Ravalomanana, are set for for a run-off. (Photo by Themba Hadebe/AP Photo)





Children pose for a photograph in Kinshasa, Congo, Tuesday December 25, 2018. Traditionally Congolese dress up and take to the parks on Christmas day, this time five days before scheduled presidential and general elections. (Photo by Jerome Delay/AP Photo)





Emily Squire joins Sledders and their huskies as they practice at a forest course ahead of the Aviemore Sled Dog Rally on January 19, 2016 in Feshiebridge, Scotland. Huskies and sledders prepare ahead of the Siberian Husky Club of Great Britain 33nd race taking place at Loch Morlich this weekend near Aviemore. (Photo by Jeff J Mitchell/Getty Images)





Syrian refugee girls, Ayat Mahmoud, 16, and Farah Ali, 5, plays at an informal tented settlement near the Syrian border on the outskirts of Mafraq, Jordan, Friday, January 22, 2016. (Photo by Muhammed Muheisen/AP Photo)





A girl runs at Malkohi refugee camp in Jimeta, Adamawa State, Nigeria on February 19, 2019, four days ahead of the country's General elections set for February 23 after a last-minute rescheduling. Malkohi is a camp for internal displaced who fled their homes as Boko Haram insurgents advanced across north-eastern Nigeria. From their homes on the outskirts of Yola, capital of presidential candidate Atiku Abubakar's home state Adamawa, Malkohi residents say they feel forgotten. (Photo by Luis Tato/AFP Photo)





In this December 15, 2018 photo, Emma, a transgender student of the Amaranta Gomez school plays with her sisters while she waits to update her identity card at the national registry of persons, in Santiago, Chile. After suffering years of discrimination some 20 transgender minors aged 6 to 17 have recently found hope at Latin America's first school for trans children. (Photo by Esteban Felix/AP Photo)





A young girl carrying a broken plastic bucket full of food on her head reacts as a goat crosses her path, in Kano, northern Nigeria Tuesday, February 19, 2019. (Photo by Ben Curtis/AP Photo)





A girl holds a balloon as she walks among tents inside an empty warehouse used as a shelter set up for migrants in downtown Tijuana, Mexico, Wednesday, January 2, 2019. Discouraged by the long wait to apply for asylum through official ports of entry, many migrants from recent caravans are choosing to cross the U.S. border wall and hand themselves in to border patrol agents. (Photo by Daniel Ochoa de Olza/AP Photo)





Syrian refugee boys play with toy guns at Eminonu district in Istanbul, Turkey, 08 January 2019. (Photo by Sedat Suna/EPA/EFE)





Members of Dance Centre Kenya (DCK) speak with the caricature the “sugar plum fairy” before the start of a production of the “Nutcracker”, a ballet primarily performed during the Christmas period as their fourth annual show, along with the Nairobi Philharmonic Orchestra playing the score by Pyotr Ilyich Tchaikovsky at the National theater in Nairobi, on December 2, 2018. DCK, founded by a few passionate families in early 2015, teach over 600 students at 3 studios in Nairobi, and provides lessons based on the Royal Academy of Dance Syllabus. Selected students in various schools and slums receive scholarships to promote developing their talents. (Photo by Yasuyoshi Chiba/AFP Photo)





A malnourished girl cries during the daily checkweighing at the Bangui pediatric complex on December 4, 2018. In Central African Republic, infant mortality is the highest in the world, with two out of three children, or 1.5 million people, in need of humanitarian assistance, according to a UNICEF report from 2018. (Photo by Florent Vergnes/AFP Photo)