A flock of sheep and goats is led by shepherds to pastures at a mountain village on the outskirts of Sana'a, Yemen, 27 July 2023. At least eight million sheep and goats from about 470,000 pastoralist and agro pastoralist households across Yemen will be treated and vaccinated over the two years 2023 and 2024, in an effort to reduce livestock losses, improve production efficiency, and household income generation amid an acute food insecurity, the UN Food and Agriculture Organization (FAO) has reported. (Photo by Yahya Arhab/EPA)

Militants loyal to Yemen's exiled government ride on the back of a pick-up truck in the country's central city of Taiz August 19, 2015. Militia forces loyal to Yemen's exiled government fought their way deep into the central city of Taiz this week, local officials said, largely pushing out Houthi militiamen from the country's third largest city. (Photo by Reuters/Stringer)

Competitors pose backstage during the Arnold Classic South America bodybuilding event in Sao Paulo, Brazil, April 22, 2017. (Photo by Nacho Doce/Reuters)

It’s the United States of Air-merica! Pilot Jassen Todorov from San Francisco spent three weeks flying across eight states in a 1976 Piper Warrior plane to capture the this shots – from deep craters in Arizona’s red desert and the swamps and wetlands in Florida and Louisiana, that look like they could be on alien planets, to freeways and stretches of suburban Texas. Here: El Paso, Texas at sunset. (Photo by Jassen Todorov/Caters News)

Participants pose during a local bodybuilding and fitness championship in Karachi, Pakistan March 13, 2016. (Photo by Akhtar Soomro/Reuters)

A medium performs the religious dance "Narsingh Avatar" during the traditional Kartik dance festival at Patan Durbar Square in Lalitpur, Nepal November 24, 2015. Observed for eight days, the festival is the longest dance festival in Nepal, and features a mix of drama, music and dialogues introduced by King Siddhinarsingh Malla in 1637 AD. (Photo by Navesh Chitrakar/Reuters)

Fire photographer Tod Sudmeier gets hit with flying embers from strong winds at the Solimar brush fire that started early Saturday morning in Ventura County, California December 26, 2015. (Photo by Gene Blevins/Reuters)

Katy Perry poses backstage during rehearsals for the 2017 MTV Video Music Awards at The Forum on August 25, 2017 in Inglewood, California. (Photo by John Shearer/Getty Images for MTV)