Hamburg's First Mayor Peter Tschentscher (C-L) and German Chancellor Olaf Scholz (C-R) and Mauritania's President Mohamed Ould Ghazouani (2R), Serbia's Presient Aleksandar Vucic (R) and President of Namibia Nangolo Mbumba (2L) arrive to pose for a photo with other participants of the Hamburg Sustainability Conference at the City Hall in Hamburg, northern Germany on October 7, 2024. (Photo by Axel Heimken / AFP) (Photo by AXEL HEIMKEN/AFP via Getty Images)