A robot from AgiBot is seen during the Global Developer Conference, organized by the Shanghai AI Industry Association, in Shanghai on February 21, 2025. (Hector Retamal via Getty Images)
From a balcony in the Ministry of Health Building in London, Prime Minister Winston Churchill addresses a huge crowd on May 8. 1945 (Victory in Europe Day). (Getty Images)
The Air Force Research Laboratory’s XQ-67A Off Board Sensing Station, or OBSS, takes its maiden flight on February 28, 2024, from Gray Butte Field Airport in Palmdale, California. (DVIDS)
Wild peach and apricot flowers are in full bloom in Yanqing District, encircling the Longquanyu Great Wall on March 25, 2025, in Beijing. (Hao Jihong via Getty Images)
A gas well drill is seen at Campo Maripe, a field claimed by the Mapuche indigenous community, in Anelo, Argentina, on November 27, 2019. (Getty Images)
Russian President Vladimir Putin and Chinese President Xi Jinping attend a festive reception for foreign leaders attending celebrations of Victory Day on May 9, 2025. (Getty Images)
Shavkat Mirziyoyev meets with Ebrahim Raisi within the 22nd meeting of the Shanghai Cooperation Organization leaders' summit in Samarkand, Uzbekistan, on September 16, 2022. (Iranian Presidency/Anadolu Agency via Getty Images)
Research and Development Gallery at the National Museum of the US Air Force offers visitors the opportunity to view the world’s only remaining XB-70 at the Wright-Patterson Air Force Base in Ohio on June 17, 2021. (Tyler Greenlees via DVIDS)
Chinese President Xi Jinping delivers an important speech during his inspection of the headquarters of the People's Liberation Army PLA Eastern Theater Command on July 6, 2023. (Li Gang/Xinhua via Getty Images)
Janet Yellen shakes hands with He Lifeng during a meeting at the Diaoyutai State Guesthouse on July 8, 2023, in Beijing, China. (Mark Schiefelbein via Getty Images)