(L to R) Seyed Mohammad Hossein Adeli, Secretary General of Gas Exporting Countries Forum; REPSOL-Spain Executive Director for Latin America & The Caribbean Region Evandro Correa; Bolivia's Hydrocarbons Minister Alberto Sanchez and Paraguay's Industry and Trade Minister Gustavo Leite are pictured during the opening of the YPFB VII Gas & Oil International Congress in Santa Cruz de la Sierra, Bolivia on July 25, 2017. AFP / Aizar Raldes
