Pamela Lam plays with her son on the way to school in Hong Kong, Friday, July 3, 2020. Lam's 6-year-old son fell in love with the Hong Kong protest anthem, “Glory to Hong Kong”, the first time he heard it and sings it quite often. Thanks to a sweeping new national security law, though, singing it in public is now risky. Lam agreed to be photographed only if her face was not shown, fearing possible retribution from authorities. (Photo by Kin Cheung/AP Photo)





In this April 14, 2014 file photo, Hamamatou Harouna, 10, who lost the use of her legs to polio, crawls to the restroom on the grounds of the Catholic Church where she and hundreds of others found refuge after fleeing violence in her village, in Carnot, Central African Republic. Health authorities on Tuesday, August 25, 2020 are expected to declare the African continent free of the wild poliovirus after decades of effort, though cases of vaccine-derived polio are still sparking outbreaks of the paralyzing disease in more than a dozen countries. (Photo by Jerome Delay/AP Photo/File)





Sama al-Hamad, 6-year-old Syrian girl who lost her left eye in the August 4 cataclysmic explosion, poses for a picture on the roof of her damaged house in Beirut's Mar Mikhael district overlooking the blast site on August 15, 2020. The powerful August 4 explosion that killed 177 people and devastated swathes of the Lebanese capital also left thousands wounded, mostly from flying shards of glass. At least 400 people suffered ocular injuries, more than 50 required surgery, and at least 15 were permanently blinded in one eye, according to data compiled by major hospitals in and around Beirut. (Photo by Anwar Amro/AFP Photo)





Trenton Whayne, age seven, loses his hat as he competes in the Mutton Bustin competition at the 65th annual Okmulgee Roy LeBlanc Invitational Rodeo, the nation's oldest all-black professional rodeo event, in Okmulgee, Okla., Sunday, August 9, 2020. (Photo by Sue Ogrocki/AP Photo)





People enjoy their time on a terrace overlooking the mountains on a sunny day in the town of Mestia, some 400km west of the capital Tbilisi, Georgia, 06 August 2020. (Photo by Zurab Kurtsikidze/EPA/EFE)





A rare moment of joy at the refugee camp as the children receive a visit from an entertainer in Idlib, Syria on August 26, 2020. (Photo by INA Photo Agency/Rex Features/Shutterstock)





Palestinian girls walk to their school in Gaza City, 09 August 2020. Tens of thousands of children in the besieged Gaza Strip returned to schools on 08 August 2020 after five months of closure as a precaturionary measure against the spreading of the coronavirus disease (COVID-19) pandemic. (Photo by Mohammed Saber/EPA/EFE)





Covered in temporary tattoos, Josiah Sandoval, 7, stands for a portrait on Main Street during the 80th Annual Sturgis Motorcycle Rally in Sturgis, South Dakota on August 8, 2020. While the rally usually attracts around 500,000 people, officials estimate that more than 250,000 people may still show up to this year's festival despite the coronavirus pandemic. (Photo by Michael Ciaglo/Getty Images)





Young children collect bricks as they work as labourers at a brick factory on the outskirts of Herat, Afghanistan on August 26, 2020. (Photo by Hoshang Hashimi/AFP Photo)





In this June 30, 2020, file photo, passengers arrive at the Barcelona airport, Spain. Airlines are trying to convince a frightened public that measures like mandatory face masks and hospital-grade air filters make sitting in a plane safer than many other indoor settings during the coronavirus pandemic, but it isn’t working. (Photo by Emilio Morenatti/AP Photo/File)





A girl stands in a line of women at the Kurdish-run al-Hol camp in the al-Hasakeh governorate in northeastern Syria on August 18, 2020, where families of Islamic State (IS) foreign fighters are held. (Photo by Delil Souleiman/AFP Photo)





Three boys pass time in an empty playground at the Nickerson Gardens housing project in the Watts neighborhood of Los Angeles, Wednesday, June 10, 2020. Watts has long been associated with deadly and destructive rioting in 1965. This summer when widespread mostly peaceful protests for racial justice across the U.S. have been accompanied at times by vandalism and other crimes, Watts has been peaceful. One lawmaker says the residents learned long ago that it didn't pay to burn their own neighborhood. (Photo by Jae C. Hong/AP Photo)





Róisín Casey-MacFadden (left) and Frieda-Sue Anson-Bernard arrive for their first day at Battlefield primary school in Glasgow, UK on August 11, 2020, as Scottish schools reopen after the coronavirus lockdown. (Photo by Katherine Anne Rose/The Observer)





Children cool off in a fountain, amid the coronavirus disease (COVID-19) outbreak, in Shanghai, China on August 14, 2020. (Photo by Aly Song/Reuters)





A volunteer wearing a costume of Pokemon character Pikachu hugs a child during Children's Day, amid the coronavirus disease (COVID-19) outbreak, in Fuerte Apache, in Buenos Aires, Argentina on August 16, 2020. (Photo by Agustin Marcarian/Reuters)





A girl sits on a piece of fabric as she plays on a mobile phone at a small wedding dress factory, during the coronavirus disease (COVID-19) outbreak, in Suzhou, Jiangsu province, China, July 23, 2020. (Photo by Aly Song/Reuters)





Wearing masks to prevent the spread of COVID19, elementary school students walk to classes to begin their school day in Godley, Texas, Wednesday, August 5, 2020. Three rural school districts in Johnson County were among the first in Texas to head back to school for in person classes for students. (Photo by L.M. Otero/AP Photo)





A student of Babs Fafunwa Millennium Senior Secondary school wears a face mask as she writes an examination in Ojodu district in Lagos, Nigeria 26 August 2020. Earlier this month, the Federal government of Nigeria announced the re-opening of schools for exiting students in their final year to enable them write West African Examination Council examination, after a five-month school closure to curb the spread of the coronavirus disease. (Photo by Akintunde Akinleye/EPA/EFE/Rex Features/Shutterstock)





Two-year old Jessica Sanderson amongst the sunflower fields at Vine House Farm near Baston, England, Monday August 10, 2020. (Photo by Joe Giddens/PA Wire via AP Photo)





Russian airborne veterans celebrate the Paratroopers' Day at Gorky park in Moscow on August 2, 2017. (Photo by Alexander Nemenov/AFP Photo)