A Romanian honor guard soldier stands still as three military aircraft carriers are crossing the sky during a ceremony held at the Unknown Soldier Memorial, in Carol I Park, on the occasion of the Heroes' Day commemoration, in Bucharest, Romania, 10 June 2021. (Photo by Robert Ghement/EPA/EFE)

A boy reacts as dogs play along the riverbank of Pasig river, in Manila, Philippines, June 10, 2021. (Photo by Lisa Marie David/Reuters)

A health worker applies a dose of the AstraZeneca vaccine during the first day of a three-day COVID-19 vaccination campaign for people over age 35 in the Complexo da Maré favela of Rio de Janeiro, Brazil, Brazil, Thursday, July 29, 2021. Some recipients will be monitored to study the rate of protection the vaccines provide and the extent to which virus variants are circulating. (Photo by Bruna Prado/AP Photo)

Gizzard, a chihuahua is held by his owner at the 31st Annual Tompkins Square Halloween Dog Parade in New York, U.S., October 23, 2021. Last year the parade was cancelled due to the coronavirus pandemic. (Photo by Caitlin Ochs/Reuters)

Revellers take part in the Els Enfarinats festival, in the town of Ibi near Alicante, Spain, Tuesday December 28, 2021. For about 200-years the inhabitants of Ibi annually celebrate with a battle using flour, eggs and firecrackers, outside the city town hall. (Photo by Alberto Saiz/AP Photo)

A worker wearing a protective face mask, cleans up the road in front of a mural in Jakarta, Indonesia, 24 July 2020. Indonesian government has assigned a new team to rebuild the national economy amid the coronavirus pandemic. The country has started to ease COVID-19 lock-down restrictions in an effort to restart the economies and help people in their daily routines after the outbreak of coronavirus pandemic. (Photo by Mast Irham/EPA/EFE)

Twenty-year-old women draped in traditional kimonos gather for their “Coming-of-Age Day” ceremony at the Tokyo Disneyland in Urayasu, eastern suburb of Tokyo on January 13, 2020. (Photo by Kazuhiro Nogi/AFP Photo)

This picture taken on May 4, 2020 shows a gentoo penguin swimming in an enclosure at the Ocean Park theme park, which is currently closed due to the COVID-19 novel coronavirus, in Hong Kong. (Photo by Richard A. Brooks/AFP Photo)