Revellers in Leeds, United Kingdom were excited to be out and about again on July 18, 2021. At a minute past midnight, England dropped most of its remaining Covid-19 social restrictions, such as those requiring indoor mask-wearing and limits on group gatherings. These changes come despite rising infections, pitting the country's vaccination programme against the virus's more contagious Delta variant. (Photo by Ioannis Alexopoulos/PA Wire Press Association via Getty Images)

A rescue team flies on a Colombian Air Force helicopter during an earthquake emergency drill with Air Force troops from Colombia, Brazil, Ecuador, Bolivia and the United States at the Palenquero Air Force base in Puerto Salgar, Cundinamarca department, Colombia, on September 2, 2021. Air Force crews from 15 countries take part in the “Angel de los Andes” exercises, where they simulated several rescue operations in different scenarios. (Photo by Joaquin Sarmiento/AFP Photo)

Costumed children from the local Shade performance group perform their show during the annual Brixton Burn in Johannesburg, South Africa, 28 August 2021. The annual event is run by members of the “Afrikaburn” community which is a regional event of “Burning Man” in the United States. (Photo by Kim Ludbrook/EPA/EFE)

A woman with disability communicates with sign language as they sit and demonstrate with Disability Activists Forum demanding their rights from the Bengal Government, during the International Day of Persons with Disabilities in Kolkata, Eastern India, 03 December 2021. The International Day of Persons with Disabilities is annually observed on 03 December with an objective to promote an awareness of disability issues, the fundamental rights of persons with disabilities and integration of persons with disabilities in the mainstream of each aspect of the social, political, economic and cultural status of their communities. (Photo by Piyal Adhikary/EPA/EFE)

Blossoms and dust are blown by the wind as Jasmin Ricks, left, and her sister, Jessica Ricks, center, take in the cherry blossoms near the Tidal Basin in Washington on April 12, 2018. (Photo by Matt McClain/The Washington Post)

British band Florence and the Machine performs at the Bilbao BBK Live festival in Bilbao, Spain, early 13 July 2018. Bilbao BBK Live festival runs from 12 July to 14 July 2018. (Photo by Miguel Tona/EPA/EFE)

Tightrope walker Tatian-Mosio Bongonga hangs from a tightrope as she pauses while scaling the Monmartre hill towards the Sacre Coeur Basilica (not pictured) in Paris, France, July 20, 2018. (Photo by Philippe Wojazer/Reuters)

Chilean police officers march with the puppies of future police dogs during the annual military parade at the Bernardo O'Higgins park in Santiago, Chile, September 19, 2018. (Photo by Rodrigo Garrido/Reuters)