A Polisario fighter sits on a rock at a forward base on the outskirts of Tifariti, Western Sahara, September 9, 2016. At a rocky outpost in Western Sahara, a new generation of soldiers who have never known war are mobilising as tensions resurface in one of Africa's oldest disputes after a quarter century of uneasy peace. (Photo by Zohra Bensemra/Reuters)

The Thufa hill in Reykjavik, Friday, October 28, 2016. Parliamentary elections will be held in Iceland on October 29, 2016, more than 250,000 voters are called to elect the new parliament, 63 members of the Althing parliament. (Photo by Frank Augstein/AP Photo)

For her series “Japanese Whispers”, Belgian photographer Zaza Bertrand headed inside the intimate world of rabuhos – Japanese love hotels. Love hotels became popular in Japan from the 1960s onwards, due to a lack of privacy in many family homes. There are now around 37,000 of these hotels in Japan, allowing short daytime “rests” or overnight stays. (Photo by Zaza Bertrand/The Guardian)

CHINA: Customers eat at a restaurant as a cooked pig sits on a cart on the street outside in Hong Kong, China, December 12, 2016. (Photo by David Gray/Reuters)

Sun Rongchun, 57, exercises with an improvised cervical traction device attached to a high bar at a sports complex in Shenyang, Liaoning province, China on April 9, 2019. (Photo by Sheng Li/Reuters)

An Iraqi shi'ite muslim girl places a copy of the Koran on her head during the holy month of Ramadan at the Imam Ali Shrine, in the holy city of Najaf, Iraq on May 28, 2019. (Photo by Alaa Al-Marjani/Reuters)

In this Monday, June 10, 2019 photo, an Indian Rabha tribal Hindu priest pours traditional rice beer to a Rabha girl to perform rituals during Baikho festival at Pantan village, west of Gauhati, India. Every year, the community in India’s northeastern state of Assam celebrates the festival, to please a deity of wealth and ask for good rains and a good harvest. (Photo by Anupam Nath/AP Photo)

Students dressed up as Hindu gods Lord Krishna and Lord Shiva participate in a cultural event in their school in Mumbai, India on August 21, 2019. (Photo by Indranil Mukherjee/AFP Photo)