Alejandro Ccasa prays after waiting three days next to an empty oxygen tank for his uncle who has COVID-19 outside a refill shop where he is the first in line before it opens in Callao, Peru, early Tuesday, February 2, 2021. Ccasa said his family has one large tank and it gives about four hours of oxygen therapy. (Photo by Martin Mejia/AP Photo)

Fighting Infections (single image) | Fighting Pandemic by Sudipto Das. “It’s exhausting. A tram conductor in Kolkata, India, wears protective clothing from head to toe even in the heat of a summer afternoon. This was when restrictions were easing after India’s first Covid-19 lockdown – public transport was running, but staff were advised to suit up like this. We’ve all grown used to saluting the efforts of healthcare workers, but plenty of other people in public-facing jobs have performed gruelling duties too to keep people safe”. (Photo by Sudipto Das/Wellcome Photography Prize 2021)

Maltese singer Emma Muscat attends the turquoise carpet of the 66th Eurovision Song Contest at Reggia di Venaria Reale on May 08, 2022 in Turin, Italy. (Photo by Stefania D'Alessandro/Getty Images)

Nature – first prize, stories. Pandemic Pigeons – A Love Story. The photographer’s daughter, Merel, cowers after Dollie flies past and perches on the balcony before entering the house in Vlaardingen in the Netherlands on 6 April 2020. “She’s still frightened when Dollie suddenly lands on the balcony railing. I hide my smile behind the camera, as I try to comfort her by saying they won’t hurt you. “I thought he was going to attack me”, she replies. As the nesting pigeons keep coming back to our place, slowly my girls have started to appreciate them – perhaps not as much as I do, but it’s a start”. (Photo by Jasper Doest/World Press Photo 2021)

A girl pulls her sister in a discarded basket in the Rashidabad neighborhood of Peshawar, Pakistan October 18, 2015. (Photo by Khuram Parvez/Reuters)

A physically challenged girl looks at her brother as she is kept in a basin to seek alms from people on the street in Kano, Nigeria December 30, 2015. The girl has suffered from her condition since birth. (Photo by Reuters/Stringer)

Spanish soldiers of the 7th Airborne Light Infantry Brigade “Galicia” fire a howitzer Light Gun L118 during maneuvers with other units in preparation to NATO's Very High Readiness Joint Task Force (VJTF) in Zaragoza, Spain, April 19, 2016. (Photo by Javier Cebollada/EPA)

A man carries schoolchildren on his bicycle on a road in Srinagar, March 28, 2017. (Photo by Danish Ismail/Reuters)