A protester dressed as a clown holds an umbrella over a Swiss police officer on a motorbike during a May Day demonstration in Zurich, Switzerland on May 1, 2017. (Photo by Arnd Wiegmann/Reuters)
People look at a downhill rider during the Urban Bike Inder Medellin race final at the Comuna 1 shantytown in Medellin, Antioquia department, Colombia on November 19, 2017. (Photo by Joaquin Sarmiento/AFP Photo)
Ethnic Wa performer dressed as United Wa State Army (UWSA) soldiers perform a traditional dance in Mongmao, Wa territory in northeast Myanmar October 1, 2016. (Photo by Soe Zeya Tun/Reuters)
A girl attends a performance hosted by the Ministry of the Interior that includes police, border guards, and rescuers celebrating International Children's Day in Kyiv, Ukraine on June 1, 2021. (Photo by Gleb Garanich/Reuters)
A couple walks past a burning roadblock set up to protest against a recent kidnapping and shooting in the Petionville neighborhood of Port-au-Prince, Haiti on November 1, 2021. (Photo by Adrees Latif/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 woman takes part in a Vodou ritual at a cemetery in the Haitian capital to celebrate the Day of the Dead in Port-au-Prince, Haiti on November 1, 2024. (Photo by Patrice Noel/ZUMA Press Wire/Rex Features/Shutterstock)