Fallen leaves cover the undergrowth as a commuter on a bicycle makes her way through the Tiergarten park in central Berlin on December 7, 2020. (Photo by Odd Andersen/AFP Photo)

Revellers take part in New Year's Eve celebrations in Kyiv, Ukraine on December 31, 2020. (Photo by Valentyn Ogirenko/Reuters)

Elizabeth Svensson (right), 35 and Klaudia Zakrzewska, 27, from London, arrive back in the UK at Heathrow Terminal 2, after being on holiday in Dubai for 15 days, during England's third national lockdown to curb the spread of coronavirus on Friday January 29, 2021. (Photo by Yui Mok/PA Images via Getty Images)

A man with a tattoo of Aung San Suu Kyi takes part in a protest against the military coup and to demand the release of the elected leader in Yangon, Myanmar on February 8, 2021. (Photo by Reuters/Stringer)

Baylor's DiJonai Carrington shoots past UConn's Paige Bueckers during the second half of an NCAA college basketball game in the Elite Eight round of the Women's NCAA tournament Monday, March 29, 2021, at the Alamodome in San Antonio. (Photo by Morry Gash/AP Photo)

A bee approaching the flowers of a willow in Otzberg, Germany on February 28, 2021. Willow catkins are a protected species and one of the first sources of food for insects in early spring. (Photo by Arne Dedert/DPA)

West Ham United's Mark Noble and Bournemouth's Dominic Solanke take a tumble during a match at London Stadium in London, Britain on January 1, 2020. (Photo by Eddie Keogh/Reuters)

Swedish climate change activist Greta Thunberg, Isabelle Axelsson and German Luisa Neubauer take part in a climate strike protest during the 50th World Economic Forum (WEF) annual meeting in Davos, Switzerland on January 24, 2020. (Photo by Denis Balibouse/Reuters)