A statue of Venezuela's late President Hugo Chavez is seen at the entrance of the Venetur Hotel Convention Center, venue of the 17th Non-Aligned Summit in Porlamar, Venezuela September 16, 2016. REUTERS/Marco Bello

A statue of Venezuela's late President Hugo Chavez is unveiled during an event at the entrance of the Venetur Hotel Convention Center, venue of the 17th Non-Aligned Summit in Porlamar, Venezuela September 16, 2016. REUTERS/Marco Bello

Tennis - Croatia v France - Davis Cup Semi Final - Kresimir Cosic Hall, Zadar, Croatia - 17/9/16 Croatia's Marin Cilic and Ivan Dodig react after winning their men's doubles match against France's Pierre-Hugues Herbert and Nicolas Mahut. REUTERS/Antonio Bronic

Tennis - Croatia v France - Davis Cup Semi Final - Kresimir Cosic Hall, Zadar, Croatia - 17/9/16 Croatia's Marin Cilic react after winning the men's doubles match against France's Pierre-Hugues Herbert and Nicolas Mahut. REUTERS/Antonio Bronic

Tennis - Croatia v France - Davis Cup Semi Final - Kresimir Cosic Hall, Zadar, Croatia - 17/9/16 France's Pierre-Hugues Herbert and Nicolas Mahut in action during their men's doubles match against Croatia's Marin Cilic and Ivan Dodig. REUTERS/Antonio Bronic

Tennis - Croatia v France - Davis Cup Semi Final - Kresimir Cosic Hall, Zadar, Croatia - 17/9/16 Croatia's head coach Zeljko Krajin reacts during the men's match between Croatia's Marin Cilic and Ivan Dodig and France's Pierre-Hugues Herbert and Nicolas Mahut. REUTERS/Antonio Bronic

Governor of the Central Bank of Greece Yannis Stournaras presents the new 20 Euro banknote at the institution's Museum in Athens, Greece, November 24, 2015. REUTERS/Alkis Konstantinidis - RTX1VKSU

Republican presidential nominee Donald Trump is introduced by vice presidential nominee Indiana Governor Mike Pence to speak to the Economic Club of New York luncheon in Manhattan, New York, U.S., September 15, 2016. REUTERS/Mike Segar