A protester uses molotov cocktails against riot police during May Day protests on May 1, 2010 in Athens, Greece. (Photo by Milos Bicanski /Getty Images)

A monkey leaps into a pond on a hot day in Allahabad on May 19, 2017. According to local reports temperatures have soared in the northern Indian city to 47.28 Celsius. (Photo by Sanjay Kanojia/AFP Photo)

A cyclist drives past a flowering rapeseed field not far from the small Bavarian village of Schoengeising, near Munich, during a nice, warm sunny weather day on May 17, 2017. (Photo by Christof Stache/AFP Photo)

A white tiger cools off inside its enclosure on a hot summer day at a zoo in Lahore on May 9, 2022. (Photo by Arif Ali/AFP Photo)

A monkey tries to quenche its thirst from a water tap on a hot summer day in Prayagraj on May 20, 2023. (Photo by Sanjay Kanojia/AFP Photo)

Latin dancing featured on the opening day of the 98th Blackpool Dance Festival in the Empress Ballroom in the city’s Winter Gardens on May 28, 2024. (Photo by James Glossop/ The Times & Sunday Times)

Heavy artillery on parade during a review of the Moscow Garrison troops during the May Day celebrations in Red Square, passing posters of Lenin and Stalin. (Photo by N. Sitnikov/Hulton Archive/Getty Images). 1st May 1947

Young dancers from the Style Dance Academy perform during a Mother's Day block party in Caracas, Venezuela, Sunday, May 19, 2019. Although Mother's Day was officially celebrated the previous weekend, people in the Petare area organized the neighborhood party to celebrate the mothers of their community. (Photo by Rodrigo Abd/AP Photo)