A picture shows a general view of the phase 17-18 of the South Pars gas field facilities in the southern Iranian port town of Assaluyeh on the shore of the Gulf on November 19, 2015. Several leaders from a dozen gas producing countries -- who together hold 67 percent of proven reserves -- will take part in the Gas Exporting Countries Forum (GECF) summit in Tehran on November 23. AFP PHOTO / ATTA KENARE (Photo credit should read ATTA KENARE/AFP/Getty Images)
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AFP ATTA KENARE