The Ashdown Forest Morris Men sing in May Day as they perform at sunrise in the Ashdown Forest, south of London on May 1, 2026. Historically, in rural Britain, May Day celebrations were associated with the fertility of spring and the start of summer. (Photo by Ben STANSALL / AFP via Getty Images)

The Ashdown Forest Morris Men sing in May Day as they perform at sunrise in the Ashdown Forest, south of London on May 1, 2026. Historically, in rural Britain, May Day celebrations were associated with the fertility of spring and the start of summer. (Photo by Ben STANSALL / AFP via Getty Images)

Trade union groups and labour activists shout slogans during a Labour Day rally calling for improved working conditions and rights in Seoul on May 1, 2026. (Photo by Jung Yeon-je / AFP via Getty Images)

Trade union groups and labour activists carry flags during a Labour Day rally calling for improved working conditions and rights in Seoul on May 1, 2026. (Photo by Jung Yeon-je / AFP via Getty Images)

Trade union groups and labour activists shout slogans during a Labour Day rally calling for improved working conditions and rights in Seoul on May 1, 2026. (Photo by Jung Yeon-je / AFP via Getty Images)

Trade union groups and labour activists carry flags during a Labour Day rally calling for improved working conditions and rights in Seoul on May 1, 2026. (Photo by Jung Yeon-je / AFP via Getty Images)

Trade union groups and labour activists shout slogans during a Labour Day rally calling for improved working conditions and rights in Seoul on May 1, 2026. (Photo by Jung Yeon-je / AFP via Getty Images)

Trade union groups and labour activists shout slogans during a Labour Day rally calling for improved working conditions and rights in Seoul on May 1, 2026. (Photo by Jung Yeon-je / AFP via Getty Images)