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)

North Korean bodyguards run along a limousine transporting Kim Jong Un upon his arrival in Dong Dang, Vietnam, February 26, 2019. The second meeting of the US President and the North Korean leader, running from 27 to 28 February 2019, focuses on furthering steps towards achieving peace and complete denuclearization of the Korean peninsula. (Photo by Reuters/Stringer)

Greece's Apostolos Angelis (L) and Austria's Felix Leitner compete during the men's 20 km individual event of the IBU Biathlon World Championships in Nove Mesto, Czech Republic on February 14, 2024. (Photo by Joe Klamar/AFP Photo)

Assamese girls wearing traditional Mekhela Chadar perform the Bihu folk dance during the Rongali Bihu festival, organized by All Assam Students Union in Guwahati, capital of the north eastern state of Assam, India, Saturday, April 13, 2024. (Photo by Anupam Nath/AP Photo)

Sue Hall goes for a walk in Charlton village in Worcestershire on Wednesday, May 22, 2024. Heavy rain could bring flooding and travel disruption across much of the UK on Wednesday and Thursday with an amber warning issued for part of the country. (Photo by David Davies/PA Images via Getty Images)

Graduating cadets throw their hats in the air in celebration during the commencement ceremony for graduates of the U.S. Air Force Academy in Colorado Springs, Colorado, U.S., May 30, 2024. (Photo by Kevin Mohatt/Reuters)

Waves to the height of 10m reaching 20-30m at the point of impact smashed against the coastline of the idyllic coastal city of Saint Malo, France on April 10, 2024. The extreme tidal waves were the result of Storm Pierrick. (Photo by Mathieu Rivrin/Solent News & Photo Agency)

An animal runs through a field of grass while fleeing the Park Fire in the Cohasset community in Butte County, Calif., July 25, 2024. (Photo by Noah Berger/AP Photo)