An artists performs on the street during a Myfest festival marking the May Day in the Kreuzberg district in Berlin, Germany on May 1, 2018. (Photo by Fabrizio Bensch/Reuters)
In the mountains of central Vietnam, a colossal pair of hands lifts a golden thread of walkway high above the clifftops, as if the mountain itself has sprouted limbs. Here: A giant hand structure at the Gold Bridge is seen on Ba Na hill near Danang city, Vietnam on August 1, 2018. (Photo by Reuters/Kham)
A South Korean marine in action during their regular drill on Yeonpyeong Island, South Korea November 1, 2018. (Photo by Jeon Heon-Kyun/Pool via Reuters)
People applaud as a delivery robot departs from the Nihonbashi Post Office to deliver traditional New Year's Day cards, during a ceremony in Tokyo on January 1, 2023. (Photo by JIJI Press/AFP Photo)
Police officers detain a demonstrator as people protest to defy a ban and march on Taksim Square to celebrate May Day in Istanbul, Turkey on May 1, 2023. (Photo by Dilara Senkaya/Reuters)
A civilian trains to throw Molotov cocktails to defend the city, as Russia's invasion of Ukraine continues, in Zhytomyr, Ukraine March 1, 2022. (Photo by Viacheslav Ratynskyi/Reuters)
ASCOT, ENGLAND - JUNE 17: Actor Simon Baker is seen on Day 1 during Royal Ascot 2015 at Ascot racecourse on June 17, 2015 in Ascot, England. (Photo by Alan Crowhurst/Getty Images for Ascot Racecourse)
Images are projected onto the Empire State Building as part of an endangered species projection to raise awareness, in New York August 1, 2015. (Photo by Eduardo Munoz/Reuters)