Source: Xinhua| 2018-07-25 10:23:16|Editor: Shi Yinglun
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Mexico's President Enrique Pena Nieto attends a meeting during the 13th Pacific Alliance Summit in Puerto Vallarta, Mexico, on July 24, 2018. Latin America's two key trade blocs Pacific Alliance and Southern Common Market (Mercosur) Tuesday signed a joint declaration at a summit in Mexico to promote free trade and social inclusion. (Xinhua/Francisco Canedo)