Football Soccer - Barcelona training - Champions League - Joan Gamper training camp - Barcelona, Spain - 12/09/16. Barcelona's coach Luis Enrique attends a news conference. REUTERS/Albert Gea

Football Soccer - Spanish Liga Santander - Leganes v Barcelona - Butarque stadium, Leganes, Spain 17/09/16 Barcelona's Neymar celebrates a goal. REUTERS/Sergio Perez

Football Soccer - Atletico Madrid news conference - Champions League - Eindhoven, Netherlands - 12/9/16. Atletico Madrid's head coach Diego Simeone attends a news conference. REUTERS/United Photos/Toussaint Kluiters

Visitors look at devices at Accenture stand at the Mobile World Congress in Barcelona, February 26, 2013. REUTERS/Albert Gea/File Photo

Russian President Vladimir Putin speaks at the United Russia party's campaign headquarters following a parliamentary election in Moscow, Russia, September 18, 2016. Sputnik/Kremlin/Alexei Druzhinin via REUTERS

Traders work on the floor of the New York Stock Exchange (NYSE) in New York City, U.S., September 15, 2016. REUTERS/Brendan McDermid

United Nations Secretary General Ban Ki-moon arrives to attend ASEAN Summit in Vientiane, Laos September 8, 2016. REUTERS/Soe Zeya Tun

A boy rides a bicycle near a damaged aid truck after an airstrike on the rebel held Urm al-Kubra town, western Aleppo city, Syria September 20, 2016. REUTERS/Ammar Abdullah