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 rainbow is seen near a cloud south of Corvallis, Ore., Monday, May 19, 2014. (Photo by Andy Cripe/AP Photo/The Corvallis Gazette-Times)

A man transports a car on a horse cart to a repair shop along a street in Amritsar on May 6, 2021. (Photo by Narinder Nanu/AFP Photo)

Underground dancers dressed in Spiderman costumes perform in the subway of Saint Petersburg late on May 21, 2021. (Photo by Olga Maltseva/AFP Photo)

American model Kendall Jenner in the second decade of May 2024 hits the steam room for FWRD. (Photo by Kendall Jenner/Instagram)

An Egyptian horse owner cares for one of his animals at stables in Giza near the capital on May 26, 2024. (Photo by Khaled Desouki/AFP Photo)

An areal view of the lake in the form of a heart in Rodgau, near Frankfurt, Germany, Friday, May 24, 2024. (Photo by Michael Probst/AP Photo)

A villager offers prayer to a dead body of an elephant, which is killed by lightning at atop of Bamuni hill in Assam's Nagaon district, on May 14, 2021. 18 wild elephants were found dead atop Bamuni Hills in Assam's Nagaon district today after lightning struck them during the showers in the area on May 12, 2021. At least 18 elephants are suspected to have been killed by lightning in northeastern India, officials said on May 13 as they launched a probe into the incident. (Photo by Biju Boro/AFP Photo)