Chinese President Xi Jinping (Front C) poses for a group photo with the delegates attending the signing ceremony for the Articles of Agreement of the Asian Infrastructure Investment Bank (AIIB) at the Great Hall of the People in Beijing on June 29,2015. Countries from five continents formally signed up to the China-led Asian Infrastructure Investment Bank at a ceremony on June 29, officials said, as Beijing steps up its global diplomatic and economic role.    AFP PHOTO / POOL / WANG ZHAO        (Photo credit should read WANG ZHAO/AFP/Getty Images)