Internally displaced Syrians who fled Raqqa tie ropes for their tents in a camp in Manbij, Syria on April 6, 2017. (Photo by Rodi Said/Reuters)

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)

A police officer has weapons blessed by a Hindu priest during the Vishwakarma Puja festival in the outskirts of Agartala, India, September 17, 2016. (Photo by Jayanta Dey/Reuters)

An Indian toddler plays amid marigold flowers at a wasted flowers dumping site, besides a flower market in Mumbai, India, 28 September 2016. Marigold flowers are used in many religious ceremonies in the temples in India. Strung together they make colourful garlands and are used as an offering in temples and to decorate them. (Photo by Divyakant Solanki/EPA)

in Qayyarah, about 31 miles (50 km) south of Mosul, Iraq, Sunday, October 23, 2016.in Qayyarah, some 50 kilometers south of Mosul, Iraq, Sunday, Oct. 23, 2016. Islamic State fighters torched a sulfur plant south of Mosul, sending a cloud of toxic fumes into the air that mingled with oil wells the militants had lit on fire to create a smoke screen. (Photo by Marko Drobnjakovic/AP Photo)

People walk to the Venezuela Aid Live concert that will play on the Colombian side of the border near the Simon Bolivar International Bridge, from San Antonio del Tachira, Venezuela, Friday, February 22, 2019. (Photo by Rodrigo Abd/AP Photo)

A visitor holds an Israeli-made rifle during the 8th International Land and Naval Defense system exhibition, in New Delhi, India, on February 6, 2014. (Photo by Anindito Mukherjee/Reuters)

Participants climb over a wall at the “Tough Mudder” endurance event series in Arnsberg September 6, 2014. Competitors who took part in the endurance event saw themselves having to overcome various military style obstacles. (Photo by Ina Fassbender/Reuters)