A photojournalist is silhouetted by the sunset as a lightning strike at a resort affected by Saturday's tsunami in Carita, Indonesia, Tuesday, December 25, 2018. Christmas celebrations traditionally filled with laughter and uplifting music were replaced by somber prayers for tsunami victims in an area hit without warning following a volcanic eruption, leaving hundreds of people dead and thousands homeless in disaster-prone Indonesia. (Photo by Fauzy Chaniago/AP Photo)

Photographer Gregg Segal travelled the world to document children and the food they eat in a week. Partly inspired by the increasing problems of childhood obesity, he tracked traditional regional diets as yet unaffected by globalisation, and ironically, found that the healthiest diets were often eaten by the least well off. (Photo by Gregg Segal/The Guardian)

A family tries to cross a flooded road amid gushing water in Kolkata, India on August 17, 2019. Heavy rain continues for a second day in Kolkata, which contuinued to flood many streets all around the city. Authorities are working overtime to clear the roads. (Photo by Debarchan Chatterjee/Zuma Wire/Rex Features/Shutterstock)

An Algerian demonstrator wearing face paint in the colours of the national flag takes part in an anti-government demonstration in the capital Algiers on November 1, 2019. Demonstrators converged on Algiers in their thousands for a massive anti-government rally called to coincide with official celebrations of the anniversary of the war that won Algeria's independence from France. (Photo by Ryad Kramdi/AFP Photo)

A drone image shows decommissioned cruise ships being dismantled for scrap metal sales after the COVID-19 pandemic all but destroyed the industryat Aliaga ship-breaking yard in the Aegean port city of Izmir, western Turkey, October 2, 2020. (Photo by Umit Bektas/Reuters)

Elephants forage for food at a rubbish dump encroaching on their jungle habitat in Oluvil, Sri Lanka in September 2020. Examination of dead elephants has revealed undigested polythene and other plastic waste. (Photo by Tharmaplan Tilaxan/Cover Images)

A man wearing a mask walks past the “Christmas Cab” sculpture displayed along Fifth Avenue on December 02, 2020 in New York City. The annual Holiday Sculptures display is organized by the Fifth Avenue Association and consist of 10 sculptures that runs from 50th Street to 59th Street. (Photo by Alexi Rosenfeld/Getty Images)

A robot, developed by start-up firm Asimov Robotics, holds a tray with face masks and sanitizer after the two robots were launched to spread awareness about the coronavirus, in Kochi, India, March 17, 2020. (Photo by Sivaram V/Reuters)