Alan Swinney points a gun during clashes between groups like Proud Boys and Patriot Prayer, and protesters against police brutality and racial injustice in Portland, Oregon, U.S., August 22, 2020. (Photo by Maranie Staab/Reuters)

Fisherman transport sharks to the fish market in the traditional fishing port in Banda Aceh, Indonesia, 26 August 2020. According to media reports, the marine and fisheries sector is considered as one of the affected by the coronavirus pandemic, affecting more than 3.5 million fishermen and all sectors working throughout the supply chain. (Photo by Hotli Simanjuntak/EPA/EFE)

Bangladeshi people walk in a polluted air environment in Dhaka, Bangladesh on September 3, 2020. A study says, air pollution shortens life expectancy by seven years in Bangladesh. (Photo by Sultan Mahmud Mukut/SOPA Images/Rex Features/Shutterstock)

Incredible drone image capture colourful water lilies being harvested in An Giang Province, Vietnam, Southeast Asia on September 2020. Water lilies are an iconic symbol in the Mekong Delta and the flowers are immediately sent to market before landing on meal tables. Their stalks are edible and can be eaten raw with either fermented paste or braised sauce, or dunked into sour soup or hotpot. (Photo by Nguyen Sanh Quoc Huy/Triangle News)

Tigray refugees who fled the conflict in the Ethiopia's Tigray ride a bus going to the Village 8 temporary shelter, near the Sudan-Ethiopia border, in Hamdayet, eastern Sudan, Tuesday, December 1, 2020. (Photo by Nariman El-Mofty/AP Photo)

Mahmoud El Komy, a 26-year-old Egyptian mechatronics engineer, stands beside Cira 3, a remote-controlled robot that runs tests on suspected coronavirus disease (COVID-19) patients, to limit the human exposure to the virus, amid a second wave of infections in Tanta, Egypt, November 18, 2020. (Photo by Mohamed Abd El Ghany/Reuters)

Models sit backstage during an outdoor show at Dakar Fashion week on December 12, 2020 just outside Dakar, Senegal. With Senegal's low incidence of Covid-19, Dakar's marquee fashion event looked markedly more normal than its counterparts in other global capitals, whose fashion weeks were heavily curtailed or canceled. (Photo by Finbarr O'Reilly/Getty Images)

A woman wears a mask while carrying a dog in the street on January 22, 2020 in Wuhan, Hubei province, China. A new infectious coronavirus known as “2019-nCoV” was discovered in Wuhan as the number of cases rose to over 400 in mainland China. Health officials stepped up efforts to contain the spread of the pneumonia-like disease which medicals experts confirmed can be passed from human to human. The death toll has reached 17 people as the Wuhan government issued regulations today that residents must wear masks in public places. Cases have been reported in other countries including the United States, Thailand, Japan, Taiwan, and South Korea. (Photo by Getty Images/China Stringer Network)