It’s enough to make your head spin. The photographer Katherine Young set out to shoot spiral staircases in London, England to great effect, including this shot she calls the Downward Spiral Part III. (Photo by Katherine Young/Rex Features/Shutterstock)

In Omdurman, the largest city in Sudan, the Qadiriyya Sufi order meets every Friday outside Sheikh Hamed Al Nil mosque, which houses the tomb of their 19th century Sufi leader. (Photo by Ala Kheir, John Burns and Ibrahim Algrefwi/Brownbook)

A Pomeranian dog sits in a rolling pet carrier in Hong Kong, China on September 4, 2019. (Photo by Kai Pfaffenbach/Reuters)

A 16-meter-high snowman is nearly completed by the Songhua River in Harbin City, northeast China's Heilongjiang Province on December 7, 2022. (Photo by Rex Features/Shutterstock)

A dummy representing “the abuser” is burnt during the traditional “burning of Judas”, the biblical figure who supposedly betrayed Jesus, during Easter celebrations, at El Cementerio neighbourhood in Caracas, on March 31, 2024. (Photo by Federico Parra/AFP Photo)

A Herero man holds the head of a freshly butchered cow, killed to supply meat for a funeral, 2012. (Photo by Jim Naughten, courtesy of Klompching Gallery, New York)

A pro-independence protester sits in front of Catalonia's regional parliament as lawmakers vote inside, in Barcelona, January 16, 2014. (Photo by Albert Gea/Reuters)

Parade-goers walk in the annual West Indian Day Parade on September 02, 2019 in the Brooklyn borough of New York City. The annual celebration of Caribbean culture is one of the largest of its kind and features dozens of floats and costumed participants that make their way down Flatbush Avenue. (Photo by Yana Paskova/Getty Images)