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)
A General Atomics MQ-20 Avenger unmanned aircraft flight tests the Skyborg Autonomy Core System in El Mirage, California, on June 24, 2021. (US Air Force photo by Tabatha Arellano)
Xi Jinping is welcomed by Crown Prince of Saudi Arabia Mohammed bin Salman Al Saud at the Palace of Yamamah in Riyadh, Saudi Arabia, on December 8, 2022. (Royal Court of Saudi Arabia/Anadolu Agency via Getty Images)
Photos of Americans who died from a fentanyl overdose are displayed at the Drug Enforcement Administration headquarters in Arlington, Virginia, on July 13, 2022. (Agnes Bun/AFP via Getty Images)