Indian Christians take part in Christmas prayers at the Infant Jesus church in Bangalore, India, 25 December 2020. Most Christians celebrate Christmas on 25 December to commemorate the birth of Jesus, the central figure of Christianity. (Photo by Jagadeesh N.V./EPA/EFE)

Noah, 10, cools himself off in his garden during hot weather in Hertford, Britain, June 25, 2020. The UK is experiencing a summer heatwave, with temperatures in many parts of the country expected to rise above 30°C and weather warnings in place for thunderstorms at the end of the week. (Photo by Andrew Couldridge/Reuters)

Residents wearing masks to protect from the coronavirus cross a junction in Beijing on Wednesday, January 20, 2021. (Photo by Ng Han Guan/AP Photo)

A woman takes photographs of falling snow from a window during a heavy snowfall, amid the coronavirus disease (COVID-19) pandemic in Seoul, South Korea, January 12, 2021. (Photo by Kim Hong-Ji/Reuters)

Elephants cool off at a zoo in Karachi, Pakistan, 31 March 2021. Caretakers at Karachi's zoo were working to keep animals cool during a heatwave affecting southern Pakistan. (Photo by Shahzaib Akber/EPA/EFE)

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)

An Indian villager wearing a face mask as a precaution against the coronavirus sells his ware at market in Jammu, India, Friday, October 9, 2020. (Photo by Channi Anand/AP Photo)

Bar Convent employee Lauren Masterman relaxes after cleaning a historic George and Arthur Maw tiled floor created in 1867, one of only two surviving examples of this assemblage of tiles, at England's oldest living convent Bar Convent on October 13, 2020. Visitors to the convent are being invited to follow in the footsteps of residents from the last 150 years and enjoy the historic space decorated with rare 19th century floor tiles. (Photo by Danny Lawson/PA Images via Getty Images)