A man holds a placard reading "Those who sow misery reap anger" during a May Day rally marking International Workers' Day in Rouen, northern France, on May 1, 2026. (Photo by Lou BENOIST / AFP via Getty Images)

A visitor asks for informations outside the border gate during the Labour Day holiday in Macau on May 1, 2026. (Photo by Eduardo Leal / AFP via Getty Images)

Visitors walk on the Cotai strip in front of the Londoner hotel resort during the Labour Day holiday in Macau on May 1, 2026. (Photo by Eduardo Leal / AFP via Getty Images)

President of the Belgian Socialist Party, Paul Magnette, gestures as he speaks during a meeting marking May Day (Labour Day), International Workers' Day, in Charleroi on May 1, 2026. (Photo by VIRGINIE LEFOUR / Belga / AFP via Getty Images) / Belgium OUT

Demonstrators light flares during a May Day rally marking International Workers' Day in Marseille, on May 1, 2026. (Photo by MIGUEL MEDINA / AFP via Getty Images)

Former Belgium's Defence Minister and Socialist Party (PS) member Ludivine Dedonder speaks during a meeting marking May Day (Labour Day), International Workers' Day, in Charleroi on May 1, 2026. (Photo by VIRGINIE LEFOUR / Belga / AFP via Getty Images) / Belgium OUT

Visitors walk at the historical centre during the Labour Day holiday in Macau on May 1, 2026. (Photo by Eduardo Leal / AFP via Getty Images)

Visitors enter the crypt of the Ruins of Saint Paul's during the Labour Day holiday in Macau on May 1, 2026. (Photo by Eduardo Leal / AFP via Getty Images)