A resident digs out his walkway in St. John's Newfoundland on Saturday, January 18, 2020. The state of emergency ordered by the City of St. John's is still in place, leaving businesses closed and vehicles off the roads in the aftermath of the major winter storm that hit the Newfoundland and Labrador capital. (Photo by Andrew Vaughan/The Canadian Press via AP Photo)

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)

Victoria Sinitsina and Nikita Katsalapov of Russia perform during Gala exhibition skating program of the ISU European Figure Skating Championships in Graz, Austria, 26 January 2020. (Photo by Tatyana Zenkovich/EPA/EFE)

Aurora Borealis, or Northern Lights, shine over the plane wreck of a US Navy airplane – a Douglas Super DC-3 – on the Black Beach in Solheimasandur, south Iceland on January 18, 2018. (Photo by Owen Humphreys/PA Images via Getty Images)

A Sumatran Owl is seen in Palembang City, Indonesia on March 5, 2020. (Photo by Sigit Prasetya/Opn Images/Barcroft Media via Getty Images)

Camila Cabello performs on stage during The Global Awards 2020 with Very.co.uk held at London's Eventim Apollo Hammersmith on Thursday, March 5, 2020. (Photo by Isabel Infantes/PA Images via Getty Images)

A Chesterfield Borough Police telephone operator tests a gasmask with built in earpiece and microphone. The telephone service is considered one of the most important links in the coordination of ARP operations and must remain operational during air raids, 12th April 1939. (Photo by Fox Photos/Hulton Archive/Getty Images)

A health worker dresses in a protective suit before starting to perform the coronavirus testing in an effort to stop the spread of the coronavirus disease (COVID-19) in the Kibera slum of Nairobi, Kenya, May 26, 2020. (Photo by Baz Ratner/Reuters)