A pedestrian walks in Tokyo's Odaiba area on May 1, 2026. (Photo by Philip FONG / AFP via Getty Images)

Activists from the animal rights group People for the Ethical Treatment of Animals (PETA) take part in the "Aliens to Feast on 'Human Flesh'" action to support veganism outside the Tokyo Meat Festival in Tokyo on May 1, 2026. (Photo by Philip FONG / AFP via Getty Images)

People visit the Tokyo Meat Festival in Tokyo on May 1, 2026, while activists from the animal rights group People for the Ethical Treatment of Animals (PETA) take part in an action to support veganism outside the festival's grounds. (Photo by Philip FONG / AFP via Getty Images)

Police officers stand by as activists from the animal rights group People for the Ethical Treatment of Animals (PETA) take part in the "Aliens to Feast on 'Human Flesh'" action to support veganism outside the Tokyo Meat Festival in Tokyo on May 1, 2026. (Photo by Philip FONG / AFP via Getty Images)

Mexico's Gabriela Agundez Garcia and Alejandra Estudillo Torres compete in the women's 10m synchronised diving at the World Aquatics Diving World Cup Super Finals 2026 in Beijing on May 1, 2026. (Photo by ADEK BERRY / AFP via Getty Images)

Bonded Labour Liberation Front Pakistan (BLLF) activists hold placards during a May Day rally in Lahore on May 1, 2026. (Photo by Arif ALI / AFP via Getty Images)

French trade union General Confederation of Labour (CGT) members hold a placard reading "May 1st belongs to us. Money for our wages, not for war" and waves CGT flags during a May Day (Labour Day) rally, marking International Workers' Day, in Marseille, on May 1, 2026. (Photo by MIGUEL MEDINA / AFP via Getty Images)

People climb 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)