National Guardsmen are put through riot training in Boston's Commonwealth Armory on Friday, October 18, 1974. Massachusetts Gov. Francis W. Sargent called up the guard to quell school violence, but the city has been relatively calm and the guard has remained in the armories. (Photo by JWG/AP Photo)

This photo released by North Korea's official Korean Central News Agency (KCNA) on June 7, 2012 shows North Korean leader Kim Jong-Un (C) surrounded by members of the Korean Children's Union (KCU) organizations during a joint national meeting to celebrate the 66th anniversary of the KCU organizations at Kim Il-Sung Stadium in Pyongyang on June 6, 2012. (Photo by AFP Photo/KCNA via KNS)

Three Siberian tiger cubs meet visitors at Yangzhou Zoo in Yangzhou City, east China's Jiangsu Province, on 27 June, 2024. (Photo by Splash News and Pictures)

An ethnic Armenian fighter carries Kalashnikov machine guns to his comrade-in-arms at Martakert province in the separatist region of Nagorno-Karabakh, Azerbaijan, Monday, April 4, 2016. (Photo by Vahan Stepanyan/PAN Photo via AP Photo)

A tern chick takes its first steps in the first decade of June 2024 at Nickerson Beach, New York, a common nesting location. (Photo by Suraj Ramamurthy/Solent News)

South African singer Tyla performs at the 2024 MTV Europe Music Awards at Manchester Co-op Live in Manchester, Britain, on November 10, 2024. (Photo by Phil Noble/Reuters)

Tourists visit the water forest by boat at a wetland park in Yangzhou City, east China's Jiangsu Province, 30 July, 2023. (Photo by Meng Delong/ImagineChina/Imaginechina via AFP Photo)

Ministry of Defence handout photo of Chinooks from RAF Odiham as they take part in the Royal Air Force flypast over central London to mark the centenary of the RAF on Tuesday, July 10, 2018. (Photo by SAC Pippa Fowles (RAF)/PA Wire)