Iran's Economy Minister Ali Tayebnia (L) and German vice chancellor, Economy and Energy Minister Sigmar Gabriel sign agreements during a German-Iranian Joint Economic Commission (GWK) meeting in Tehran on October 3, 2016. Gabriel is in Iran as Western nations and companies seek economic opportunities in the country after Tehran's landmark nuclear deal ended sanctions. / AFP / ATTA KENARE (Photo credit should read ATTA KENARE/AFP/Getty Images)
