Ivanelis Jimenez, front, and Veronica Barreto pose for the camera wearing Puerto Rican flag dresses as they welcome passengers exiting Carnival's Mardi Gras cruise ship, docked in the bay of San Juan, Puerto Rico, Tuesday, August 3, 2021, marking the first time a cruise ship visits the U.S. territory since the COVID-19 pandemic began. (Photo by Carlos Giusti/AP Photo)

A general view of the Drax Power Station, illuminated in the colours of the Ukrainian flag, in North Yorkshire, Britain on April 1, 2022. (Photo by Lee Smith/Reuters)

A cyclist rides past a tumulus tomb in Gyeongju, South Korea on November 1, 2025. (Photo by Anthony Wallace/AFP Photo)

Icelandic horses graze on a meadow at a stud farm in Wehrheim near Frankfurt, Germany, Monday, September 1, 2025. (Photo by Michael Probst/AP Photo)

A woman sells vegetables near a Metro train station in downtown Lima, Peru December 1, 2015. (Photo by Mariana Bazo/Reuters)

Revellers celebrate New Year's Day in central Moscow, Russia, January 1, 2016. (Photo by Tatyana Makeyeva/Reuters)

Internally displaced Syrian children play inside a refugee camp in the Hama countryside, Syria January 1, 2016. (Photo by Ammar Abdullah/Reuters)

Two sheep fight in a competition in Zhangjiakou, Hebei province, China on August 1, 2017. (Photo by Reuters/China Stringer Network)