Internally displaced people play football in a school in Sanaa, Yemen May 17, 2015. (Photo by Mohamed al-Sayaghi/Reuters)





A boy makes an overhead kick at a slum in Rio de Janeiro, May 2, 2014. (Photo by Pilar Olivares/Reuters)





A boy stands as a goal keeper as children play soccer on a road in Yangon, Myanmar, July 15, 2012. (Photo by Soe Zeya Tun/Reuters)





A child plays with a soccer ball on a street in Soweto, South Africa's oldest township, November 23, 2008. (Photo by Radu Sigheti/Reuters)





Boys play soccer at the yard of a school sheltering people displaced by Saudi-led air strikes on Yemen's northwestern province of Saada, in the capital Sanaa May 27, 2015. (Photo by Khaled Abdullah/Reuters)





Street seller David Garcia plays with a soccer ball with his friends Luis Enrique who is attending military service, and Yaciel Concepcion, who is a physics teacher, in downtown Havana, March 5, 2015. (Photo by Alexandre Meneghini/Reuters)





Maicon de Jesus Dias throws a ball he recovered from an open grave while playing soccer in a makeshift field in a local cemetery of the city of Una, Bahia state, Brazil, April 29, 2014. (Photo by Roosevelt Cassio/Reuters)





Children play soccer during sunset at a beach in Lima, Peru, December 26, 2008. (Photo by Enrique Castro-Mendivil/Reuters)





An Angolan youth plays soccer in the streets of the capital Luanda, January 30, 2010. (Photo by Rafael Marchante/Reuters)





Children play soccer at a beach in the east coast state of Terengganu, Malaysia, February 15, 2008. (Photo by Zainal Abd Halim/Reuters)





Afghan boys play soccer along a road in Kabul, November 16, 2009. (Photo by Jerry Lampen/Reuters)





A boy tumbles as he plays soccer on the streets of the Khayelitsha township in Cape Town, December 3, 2009. (Photo by Kai Pfaffenbach/Reuters)





Children play soccer in the Eersterust neighborhood of Pretoria, South Africa, July 1, 2010. (Photo by Brian Snyder/Reuters)





Players of the all female “113” soccer team take part in a training session in Cabinda, Angola, January 22, 2010. (Photo by Rafael Marchante/Reuters)





A man holds a soccer ball at a beach by the shore of Nanay river in Iquitos, Peru, September 7, 2011. (Photo by Pilar Olivares/Reuters)





Mozambican youth play soccer in a suburb in Maputo, Mozambique, May 16, 2010. (Photo by Grant Lee Neuenburg/Reuters)





Boys are pictured through a tire as they play soccer at a railway station camp, where refugees from South Sudan have stayed for four years, in Khartoum May 11, 2014. (Photo by Mohamed Nureldin Abdallah/Reuters)





Children, who live in the Cairo Necropolis, play soccer next to ancient tombs in Cairo, Egypt, September 13, 2015. (Photo by Asmaa Waguih/Reuters)





Boys play soccer on a field of a school used as an electoral centre at the end of the presidential and legislative elections, in the mostly muslim PK5 neighbourhood of Bangui, Central African Republic, February 14, 2016. (Photo by Siegfried Modola/Reuters)





Five year-old Murtaza Ahmadi wears a shirt of Barcelona's star Lionel Messi made of a plastic bag as he plays soccer at the Afghan Football Federation headquarters in Kabul, Afghanistan February 2, 2016. (Photo by Omar Sobhani/Reuters)