A woman waits at a polio immunisation health centre, in Maiduguri, Borno State, Nigeria, August 29, 2016. Nigeria's military has liberated large swathes of land from Boko Haram but a ride with an army convoy, all guns firing for fear of ambush, shows how far the northeast is from normality after a brutal Islamist insurgency that has displaced millions. (Photo by Afolabi Sotunde/Reuters)

A woman wearing a protection face mask walks past a mural of a dog in Shanghai, China, 03 September 2020. Daily life in Shanghai is returning to normal while many people still wear protection masks on the street, which are still mandatory in many shopping malls and other public places. (Photo by Alex Plavevski/EPA/EFE)

People enjoying the hot weather on Brighton beach in Sussex, England on August 7, 2020. (Photo by Stephen Lock/i-Images)

A protester carries a child march during a demonstration against the February 1 military coup in Yangon on February 10, 2021. (Photo by Ye Aung Thu/AFP Photo)

Participants run through coloured powder during the Colour Run race in Moscow, Russia on June 5, 2022. (Photo by Maxim Shemetov/Reuters)

School children wear face masks as they take part in an awareness rally against the use of tobacco on “World No Tobacco Day” in Kolkata on May 31, 2022. (Photo by Dibyangshu Sarkar/AFP Photo)

Commuters, some of them wearing masks as a precaution against the coronavirus ride an auto-rickshaw in Noida, outskirts of New Delhi, India, Thursday, July 16, 2020. (Photo by Altaf Qadri/AP Photo)

A Tibetan girl is reflected in a mirror, as she gets ready for her performance during an event organised to mark the 88th birthday celebration of their spiritual leader, the Dalai Lama in Kathmandu, Nepal on July 6, 2023. (Photo by Navesh Chitrakar/Reuters)