People visit the Contemporary Amperex Technology Co., Limited (CATL) booth during the Beijing Auto Show in Beijing on April 30, 2026. (Photo by Adek BERRY / AFP via Getty Images)

This photograph shows the SN5 building at the Science City Campus of the University of Lille, in Villeneuve-d'Ascq, northern France, on April 30, 2026. (Photo by Sameer Al-DOUMY / AFP via Getty Images)

This photograph shows the Learning Center Innovation (Lilliad) at the Science City Campus of the University of Lille, in Villeneuve-d'Ascq, northern France, on April 30, 2026. (Photo by Sameer Al-DOUMY / AFP via Getty Images)

This photograph shows the C1 building at the Science City Campus of the University of Lille, in Villeneuve-d'Ascq, northern France, on April 30, 2026. (Photo by Sameer Al-DOUMY / AFP via Getty Images)

This photograph shows the SN2 building's damaged facade at the Science City Campus of the University of Lille, in Villeneuve-d'Ascq, northern France, on April 30, 2026. (Photo by Sameer Al-DOUMY / AFP via Getty Images)

This photograph shows the M5 building at the Science City Campus of the University of Lille, in Villeneuve-d'Ascq, northern France, on April 30, 2026. (Photo by Sameer Al-DOUMY / AFP via Getty Images)

University's students walk through the Science City Campus of the University of Lille, in Villeneuve-d'Ascq, northern France, on April 30, 2026. (Photo by Sameer Al-DOUMY / AFP via Getty Images)

A professor walks through a corridor in the M3 building at the Science City Campus of the University of Lille, in Villeneuve-d'Ascq, northern France, on April 30, 2026. (Photo by Sameer Al-DOUMY / AFP via Getty Images)