This picture taken and released by Taiwan's Central News Agency (CNA) on July 17, 2026 shows Taiwan's president Lai Ching-te (C-L) inspecting a Mighty Hornet III unmanned aerial vehicle during a visit to the National Chung-Shan Institute of Science and Technology (NCSIST) in Taichung. (Photo by Siao Bo-Yang / CNA / AFP via Getty Images) / Taiwan OUT - China OUT - Hong Kong Special Administrative Region OUT - Macau OUT / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / CNA Photo" - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

Indian Railways' hydrogen-powered train runs through Haryana's Gohana city on July 17, 2026. India launched its first hydrogen-powered train July 17, joining a small group of nations testing the technology as part of efforts to decarbonise rail transport and cut dependence on fossil fuels. (Photo by Arun SANKAR / AFP via Getty Images)

Hindu priests perform a ceremonial worship before the flagging off of the Indian Railways' hydrogen-powered train at Pandu Pindara railway station in Haryana's Jind city on July 17, 2026. India launched its first hydrogen-powered train July 17, joining a small group of nations testing the technology as part of efforts to decarbonise rail transport and cut dependence on fossil fuels. (Photo by Arun SANKAR / AFP via Getty Images)

An inside view of the Indian Railways' hydrogen-powered train coach at a depot ahead of its launch in Haryana's Jind on July 16, 2026. India launched its first hydrogen-powered train July 17, joining a small group of nations testing the technology as part of efforts to decarbonise rail transport and cut dependence on fossil fuels. (Photo by Arun SANKAR / AFP via Getty Images)

TOPSHOT - A Railway Protection Special Force (RPSF) personnel walks through the coaches of an Indian Railways' hydrogen-powered train at a depot ahead of its launch in Haryana's Jind on July 16, 2026. India launched its first hydrogen-powered train July 17, joining a small group of nations testing the technology as part of efforts to decarbonise rail transport and cut dependence on fossil fuels. (Photo by Arun SANKAR / AFP via Getty Images)

India's Railway Protection Special Force (RPSF) personnel stand guard near the hydrogen-powered train at a depot ahead of its launch in Haryana's Jind on July 16, 2026. India launched its first hydrogen-powered train July 17, joining a small group of nations testing the technology as part of efforts to decarbonise rail transport and cut dependence on fossil fuels. (Photo by Arun SANKAR / AFP via Getty Images)

This handout photo taken and released by Agence Kampuchea Press (AKP) on July 17, 2026 shows Chinese President Xi Jinping speaking during the opening ceremony of the World Artificial Intelligence Conference (WAIC) in Shanghai. Artificial intelligence should not be dominated by a single country, China's President Xi Jinping said on July 17, 2026 at a major tech conference in Shanghai, urging international cooperation on its development. (Photo by Handout / Agence Kampuchea Press (AKP) / AFP via Getty Images) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Agence Kampuchea Press (AKP)" - HANDOUT - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This handout photo taken and released by Agence Kampuchea Press (AKP) on July 17, 2026 shows Cambodian Prime Minister Hun Manet speaking during the opening ceremony of the World Artificial Intelligence Conference (WAIC) in Shanghai. Artificial intelligence should not be dominated by a single country, China's President Xi Jinping said on July 17, 2026 at a major tech conference in Shanghai, urging international cooperation on its development. (Photo by Handout / Agence Kampuchea Press (AKP) / AFP via Getty Images) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Agence Kampuchea Press (AKP)" - HANDOUT - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS