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)

Balinese I Ketut Widanta or known as Lelut rides to collect fodder with his dogs sits on his motorbike in Canggu, Bali, Indonesia on November 05, 2021. Lelut becomes famous for his attractive style of carrying six of his rescued dogs with a modified motorbike while collecting food waste from restaurants. Currently, he takes care of twenty rescued dogs which some of them were dumped by the owners on the street due to the Covid-19 pandemic. Often he receives dog food donations from dog lovers since the collapse of Bali tourism affects his income. (Photo by Johannes P. Christo/Anadolu Agency via Getty Images)

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)

A face mask discarded in a forest in the Taunus region near Frankfurt, Germany, Sunday, October 18, 2020. (Photo by Michael Probst/AP Photo)

An Iranian woman wearing a face mask walks on a street in Tehran, Iran, 19 October 2020. According to the Iranian Health ministry, Iran reported its highest daily COVID-19 death toll of 337 and 4,251 new infections in past 24 hours as it appears that Iran is in a third wave of COVID-19 outbreak. (Photo by Abedin Taherkenareh/EPA/EFE)

A woman returns home carrying vegetable on her back (foreground) while other farmer works on vegetable field (background) during the 43rd day of the lockdown imposed by the government as a preventive measure against the spread of COVID-19 coronavirus, in Kathmandu, Nepal on Tuesday, May 5, 2020. (Photo by Rojan Shrestha/NurPhoto via Getty Images)