Thirteen children, aged between one and 13, and seven mothers walk upon arrival in Guatemala deported from the United States amidst the humanitarian crisis caused Central American immigrant children, at the Air Force Base in Guatemala City on July 22, 2014. US authorities have detained some 57,000 unaccompanied minors since last October, twice the number from the same period a year ago, seeking to illegally cross into the US from Mexico. Three quarters of the minors are from El Salvador, Guatemala and Honduras.    AFP PHOTO / Johan ORDONEZ        (Photo credit should read JOHAN ORDONEZ/AFP/Getty Images)