Students salute before getting into their classrooms on their first day of the 2026-2027 academic year in Havana on September 1, 2026. (Photo by YAMIL LAGE / AFP via Getty Images)

Argentina's Francisco Comesana hits a return against Italy's Flavio Cobolli during their men's singles first round tennis match on day three of the US Open tennis tournament at the USTA Billie Jean King National Tennis Center in New York City on September 1, 2026. (Photo by TIMOTHY A. CLARY / AFP via Getty Images)

(FILES) French Secretary of State Minsiter for Cooperation Charles Josselin looks on as he attends the departure of two military aircrafts carrying aid packages collected by the French Red Cross as part of humanitarian assistance for Albanian refugees from Kosovo at the Istres Military Base, south-eastern France on April 15, 1999. Charles Josselin, a former minister in Lionel Jospin's government and a historic figure of the Socialist Party (PS) in Brittany, has died, PS First Secretary Olivier Faure announced on X on September 1, 2026. (Photo by SERGE PAGANO / AFP via Getty Images)

German Interior Minister Alexander Dobrindt (R) and German Foreign Minister Johann Wadephul arrive to give statements on national security, at the Interior Ministry in Berlin on September 1, 2026. German media reported on September 1, 2026 that the government was set to formally blame Russia for an incident involving an explosive-laden drone at a strategic airport last month. The two were expected to accuse a Russian intelligence service of being behind the drone incident at Leipzig airport on the night of August 4-5, 2026 the Bild daily and news site Der Spiegel reported. (Photo by Tobias SCHWARZ / AFP via Getty Images)

Argentina's Francisco Comesana hits a return against Italy's Flavio Cobolli during their men's singles first round tennis match on day three of the US Open tennis tournament at the USTA Billie Jean King National Tennis Center in New York City on September 1, 2026. (Photo by TIMOTHY A. CLARY / AFP via Getty Images)

Students salute before getting into their classrooms on their first day of the 2026-2027 academic year in Havana on September 1, 2026. (Photo by YAMIL LAGE / AFP via Getty Images)

Germany's the Left (Die Linke) party politician Bodo Ramelow (R), Dietmar Bartsch (L) and Gregor Gysi (C) attend an election campaign event in Bitterfeld, eastern Germany on September 1, 2026. Saxony-Anhalt will go to the polls in the regional elections on September 6, 2026. (Photo by Jens SCHLÜTER / AFP via Getty Images)

Supporters attend an election campaign event in Bitterfeld, eastern Germany on September 1, 2026. Saxony-Anhalt will go to the polls in the regional elections on September 6, 2026. (Photo by Jens SCHLÜTER / AFP via Getty Images)