Fiona McGarva holds one of the sculptures from the art installation Gratitude at The Forth Bridge at North Queensferry on September 15, 2021, ahead of going on display just outside of Edinburgh at Newhailes House and Gardens from Friday 17th September. The public art installation pays tribute to NHS staff and all key workers for their ongoing courage and dedication during the Covid-19 pandemic. (Photo by Andrew Milligan/PA Images via Getty Images)

A medical staff member rests next to a patient infected with Covid-19 in the intensive care unit of Lozenets Hospitalin Sofia on November 9, 2021. Bulgaria is among the countries with the highest number of deaths compared to its population. (Photo by Nikolay Doychinov/AFP Photo)

White House Communications Director and presidential advisor Hope Hicks arrives at the U.S. Capitol Visitors Center February 27, 2018 in Washington, DC. Hicks is scheduled to testify behind closed doors to the House Intelligence Committee in its ongoing investigation into Russia's interference in the 2016 election. (Photo by Chip Somodevilla/Getty Images)

A masked woman poses for a picture during a march demanding justice for the victims of gender violence and femicides in Mexico City, Mexico on August 16, 2020. (Photo by Raquel Cunha/Reuters)

Girls wearing protective face masks wait to pray inside temple premises on the occasion of the annual harvest festival of Onam on the outskirts of Kochi, India, August 31, 2020. (Photo by Sivaram V/Reuters)

A participant takes part in a “Zombie Walk” parade in Kiev, Ukraine on October 27, 2018. (Photo by Gleb Garanich/Reuters)

A man stands near smoke billowing from a brick kiln in Karachi, Pakistan, 14 December 2018. According to the UN report, carbon dioxide (CO2) emissions have increased for the first time in four years. The United Nations Conference COP24, held in Katowice, Poland, until 14 December 2018, searches for a common position in the fight against climate change. (Photo by Shahzaib Akber/EPA/EFE)

Little Mix star Leigh-Anne Pinnock, 30, attends the “Boxing Day” World Premiere at The Curzon Mayfair on November 30, 2021 in London, England. (Photo by Karwai Tang/The Sun)