Demonstrators hold a banner reading "Anti-imperialist and revolutionary" as they take part in a May Day (Labour Day) rally, marking International Workers' Day, in Toulouse on May 1, 2026. (Photo by Ed JONES / AFP via Getty Images)

Demonstrators raise their arms as they take part in a May Day (Labour Day) rally, marking International Workers' Day, in Toulouse on May 1, 2026. (Photo by Ed JONES / AFP via Getty Images)

Vessels from the Global Sumud Flotilla, intercepted by the Israeli Navy in international waters, are moored off the coast of the ctown of Ierapetra, on the island of Crete, on May 1, 2026. (Photo by Eleftherios Elis MITZA / AFP via Getty Images)

Activists from the Global Sumud Flotilla stand at the port of Atherinolakkos on the island of Crete after disembarking from a Greek Coast Guard vessel, following their interception by the Israeli Navy in international waters, on May 1, 2026. (Photo by Costas METAXAKIS / AFP via Getty Images)

Activists from the Global Sumud Flotilla stand at the port of Atherinolakkos on the island of Crete after disembarking from a Greek Coast Guard vessel, following their interception by the Israeli Navy in international waters, on May 1, 2026. (Photo by Costas METAXAKIS / AFP via Getty Images)

Activists from the Global Sumud Flotilla disembark from a Greek Coast Guard vessel, after being intercepted by the Israeli Navy in international waters, at the port of Atherinolakkos on the island of Crete, on May 1, 2026. (Photo by Costas METAXAKIS / AFP via Getty Images)

Activists from the Global Sumud Flotilla stand at the port of Atherinolakkos on the island of Crete after disembarking from a Greek Coast Guard vessel, following their interception by the Israeli Navy in international waters, on May 1, 2026. (Photo by Costas METAXAKIS / AFP via Getty Images)

A man carries a child in a basket as he walks down the Great Wall of China at Badaling, north of Beijing, on May 1, 2026, on the first day of a five-day national May Day holiday. (Photo by GREG BAKER / AFP via Getty Images)