In this January 3, 2018 photo several female Gelada baboons, also known as bleeding-heart baboons, cuddle with their youngs in order to keep warm at the Wilhelma zoo in Stuttgart, Germany. (Photo by Sebastian Gollnow/DPA via AP Photo)

Joseph Szabo was a frustrated high-school teacher in need of inspiration – so he started photographing his students, and captured all the angst and excitement of being caught between childhood and adulthood. Here: “Priscilla”, 1969. (Photo by Joseph Szabo/Courtesy of Michael Hoppen Gallery/The Guardian)

The town hall with the Mangia tower is seen in Siena, central Italy, January 29, 2016. (Photo by Max Rossi/Reuters)

Paint-splattered revellers take a break at the Notting Hill carnival in West London in the last decade of August 2022. (Photo by Andy Hall/The Observer)

A squirrel begs for food from a scooter driver in a park in Moscow on September 2, 2025. (Photo by Alexander Nemenov/AFP Photo)

Amateur Iranian photographer Mohammad Reza Domiri Ganji, 23 likes to learn as much as he can about a site before he photographs it. Then he utilizes a variety of wide-angle and fisheye lenses, as well as occasional panoramic techniques to create beautiful new, often mind-bending images. He usually shoots the architectural wonders of Iran, and hopes that the Iranian government will allow him to travel further from home in pursuit of other iconic architectural treasures. Photo: The Nasir al-mulk or “Pink” mosque in Shiraz, Iran. (Photo by Mohammad Reza Domiri Ganj)

Members of the Guard of Honor of the Presidential Regiment from Russia perform during the “Spasskaya Tower” international military music festival at Moscow's Red Square, Russia, September 10, 2015. The festival runs until 13 Sepember. (Photo by Maxim Shemetov/Reuters)

Members of the Iraqi Army fire towards Islamic State militant positions at the south of Mosul, Iraq December 10, 2016. (Photo by Alaa Al-Marjani/Reuters)