A pedestrian wearing a form of PPE (personal protective equipment) of a perspex full-face covering, as a precautionary measure against COVID-19, walks across Oxford Street in central London on June 11, 2020, as non-essential shops prepare to re-open on June 15. Britain's current guidelines on social distancing remain at two metres (2M), but business leaders and some politicians are on Thursday calling for it to be reduced to one (1M), or one-and-a-half (1.5M) metres. (Photo by Justin Tallis/AFP Photo)

Young children at a Bristol, Great Britain health centre unsure of the benefits of sun-lamps and the special glasses that must be worn, July 1948. The health centre was part of the newly introduced free National Health Service. (Photo by Popperfoto/Getty Images)

Vatican Swiss Guards stand attention at the St. Damaso courtyard on the occasion of the swearing-in ceremony at the Vatican, Sunday, October 4, 2020. The ceremony is held to commemorate the day in 1527 when 147 Swiss Guards died protecting Pope Clement VII during the Sack of Rome. (Photo by Gregorio Borgia/AP Photo)

Police officers remove Extinction Rebellion activists blocking a main street outside the Health Ministry, during a protest demanding actions against climate change, in Madrid, on March 26, 2021. (Photo by Gabriel Bouys/AFP Photo)

A woman cools off at a fountain in central Cordoba, southern Spain, 11 August 2021. Andalucia was put on orange alert for high temperatures, with a new heatwave forecast to reach temperatures of over 41 degrees Celsius in the region. (Photo by Salas/EPA/EFE)

A winter swimmer jumps into a pool in the frozen Songhua River during an activity for welcoming the Chinese New Year on January 30, 2022 in Harbin, Heilongjiang Province of China. (Photo by Liu Yang/VCG via Getty Images)

Gold medallist Suzanne Schulting of Team Netherlands celebrates with Bronze medallist Hanne Desmet of Team Belgium after the Women's 1000m Final A on day seven of the Beijing 2022 Winter Olympic Games at Capital Indoor Stadium on February 11, 2022 in Beijing, China. (Photo by David Ramos/Getty Images)

Tiril Eckhoff of Norway in action during the Women's Biathlon 4x6km Relay race at the Zhangjiakou National Biathlon Centre at the Beijing ​2022 Olympic Games, Zhangjiakou, China, 16 February 2022. (Photo by Martin Divísek/EPA/EFE)