German Minister for Research, Technology and Aerospace Dorothee Baer (L), German Chancellor Friedrich Merz and his wife Charlotte Merz (2ndL), Brazilian President Luiz Inacio Lula da Silva and Brazilian First Lady Rosangela "Janja" Lula da Silva (R -Hidden) attend the opening gala of the Hanover industrial trade fair for mechanical and electrical engineering and digital industries, in Hanover, northern Germany on April 19, 2026. The fair opens its doors to the public on April 20 and will be running until April 24, 2026. (Photo by Ronny HARTMANN / AFP via Getty Images)