This photo taken during a media tour on October 11, 2024 shows a bottle of liquid scintillator (C) at the Jiangmen Underground Neutrino Observatory (Juno) in Kaiping, in southern China's Guangdong province. Far beneath the lush landscape of southern China, a sprawling subterranean laboratory aims to be the world's first to crack a deep scientific enigma. China's showpiece is the Jiangmen Underground Neutrino Observatory (Juno), a state-of-the-art facility for studying the minuscule subatomic particles. (Photo by Jade GAO / AFP) / To go with AFP story China-science-physics-research, FOCUS by Ludovic EHRET (Photo by JADE GAO/AFP via Getty Images)