Saudi Arabia's Energy Minister Khalid al-Falih talks to journalists before a meeting of OPEC oil ministers in Vienna, Austria, June 2, 2016. REUTERS/Leonhard Foeger/File Photo

Saudi Arabia’s Energy Minister Khalid al-Falih talks to journalists before a meeting of OPEC oil ministers in Vienna, Austria, June 2, 2016. REUTERS/Leonhard Foeger/File Photo

Saudi Arabia's Energy Minister Khalid al-Falih talks to journalists before a meeting of OPEC oil ministers in Vienna, Austria, June 2, 2016. REUTERS/Leonhard Foeger/File Photo

September 3, 2016 1:08 AM (UTC+8)