A man dressed as a demon poses for a picture as he participates in a ceremony known as Los Talciguines, as part of religious activities to mark the start of the Holy Week in Texistepeque, El Salvador, March 26, 2018. (Photo by Jose Cabezas/Reuters)

British Prime Minister Boris Johnson visits the Pavegen stand, a company that converts footsteps into energy, at the Innovation Zone during the UK-Africa Investment Summit in London, Britain on January 20, 2020. (Photo by Leon Neal/Pool via Reuters)

People participate in the Cordao do Boitata carnival celebration in the Centro City neighborhood on February 16, 2020 in Rio de Janeiro, Brazil. (Photo by Bruna Prado/Getty Images)

An member of the group “Pause the System” wears a face mask as she protests in front of the entrance to Downing Street in London, Friday, March 20, 2020. For most people, the new coronavirus causes only mild or moderate symptoms, such as fever and cough. For some, especially older adults and people with existing health problems, it can cause more severe illness, including pneumonia. (Photo by Frank Augstein/AP Photo)

A four-legged robot dog called SPOT patrols a park as it undergoes testing to be deployed as a safe distancing ambassador, following the coronavirus disease (COVID-19) outbreak, in Singapore on May 8, 2020. (Photo by Edgar Su/Reuters)

Wang Shang-chi, 75, a mobile hats vender, rides his bike on a parking lot next to the Taipei City Zoo on July 9, 2020. (Photo by Sam Yeh/AFP Photo)

A labourer carries sugarcane to load onto a mini truck at the main vegetable and fruit market in Islamabad on July 7, 2020. (Photo by Aamir Qureshi/AFP Photo)

Kyrgyz dancers perform in an event gathering bedouins and nomads from around the world as part of the annual King Abdulaziz Camel Festival in Rumah desert, northeast of the Saudi capital Riyadh, on March 19, 2019. (Photo by Fayez Nureldine/AFP Photo)