Russian soldiers write home while serving on the Eastern Front during World War I, circa 1915. (Photo by Hulton Archive/Getty Images)

An alpaca Satsuki looks at a pet dog at a park while Alpaca Fureai Land's staffs walk the alpaca during early morning in Tokyo, Japan on June 21, 2023. (Photo by Kim Kyung-Hoon/Reuters)

Palestinians evacuate wounded people following an Israeli airstrike in Bureij refugee camp, Gaza Strip, Thursday, November 2, 2023. (Photo by Mohammed Dahman/AP Photo)

Artem, a serviceman of infantry battalion of the 61st mechanised brigade, pets a dog in a trench at a position near the frontline, in Kharkiv region, Ukraine on January 6, 2024. (Photo by Sofiia Gatilova/Reuters)

A woman with a hose tries to put out the fire during a wildfire in Santa Baia De Montes, northwestern Spain, Thursday, August 14, 2025. (Photo by Lalo R. Villar/AP Photo)

Shiite Muslim pilgrims march with banners towards the shrine city of Karbala ahead of the Arbaeen commemorations that mark the end of the 40-day mourning period for the seventh century killing of the Prophet Mohamed's grandson Imam Hussein ibn Ali, in the city of Nasiriyah in Iraq's southern Dhi Qar province on August 14, 2024. (Photo by Asaad Niazi/AFP Photo)

One of the poor families collecting firewood from the street and the burn to feel some warmth in Aleppo, Syria on August 19, 2016. (Photo by Basem Ayoubi/Imageslive/ZUMA Press/Splash News)

Milena Jami whips her llama to win the first place in the a race for children of ages seven and eight at the Llanganates National Park, Ecuador, Saturday, February 8, 2020. Wooly llamas, an animal emblematic of the Andean mountains in South America, become the star for a day each year when Ecuadoreans dress up their prized animals for children to ride them in 500-meter races. (Photo by Dolores Ochoa/AP Photo)