A passenger (L) gets inside a decorated matatu as other passengers wait for it to fill at night in the streets of Nairobi, Kenya, 24 March 2018. The Matatu culture is very big in Kenya, the minibuses are decorated with colorful graffiti inside and outside and most of them are equipped with TV screens, high-speed internet, and power sockets. (Photo by Daniel Irungu/EPA/EFE)

Students from the University of St Andrews jump into The North Sea, as a good luck tradition before exams start on the East Sands in St Andrews, Fife, Scotland on May 1, 2018. (Photo by Derek Allan/Alamy Live News)

Danusorn Sdisaithaworn, 10, poses for a portrait during an annual Poy Sang Long celebration, a traditional rite of passage for boys to be initiated as Buddhist novices, while he visits a relative's house outside Mae Hong Son, Thailand, April 4, 2018. (Photo by Jorge Silva/Reuters)

A model presents a creation from fashion label Maison Lejaby during the Festival of Young Fashion Designers, an event held in tribute to Azzedine Alaia, a Franco-Tunisian fashion designer who died in November 2017; in Tunis, Tunisia, 04 May 2018. (Photo by Mohamed Messara/EPA/EFE)

Model Irina Shayk attends the screening of “Sorry Angel (Plaire, Aimer Et Courir Vite)” during the 71st annual Cannes Film Festival at Palais des Festivals on May 10, 2018 in Cannes, France. (Photo by George Pimentel/WireImage)

Portuguese model and Victoria's Secret Angel Sara Sampaio arrives at the amfAR Gala Cannes 2018 at Hotel du Cap-Eden-Roc on May 17, 2018 in Cap d'Antibes, France. (Photo by Mike Marsland/Mike Marsland/WireImage)

Fifty years ago, as France exploded in mass protests, words scrawled on the walls of the Sorbonne summed up the revolutionary zeal of the time: “Run free, comrade, we’ve left the old world behind!”. Sexual liberation, artistic creativity and anti-capitalism were the order of the day. For those who were there, it was an unforgettable time. Here: A wounded student is transported by first-aid workers during riots on the Boulevard Saint-Michel, Paris, France on May 6, 1968. (Photo by Gökşin Sipahioğlu/SIPA Press)

Born in 1958 in Abbazia, Italy, Frank Horvat is considered one of the founding fathers of French fashion photography. Frank Horvat: Storia di un Fotografo is on at Palazzo Chiablese Musei Reali, Turin, until 16 June. Here: Prostitutes, Bois de Boulogne, 1956. (Photo by Frank Horvat/The Guardian)