Mexico's President-elect Andres Manuel Lopez Obrador and 1968 student leader Ignacia Rodriguez, attend a rally to honor the victims of the 1968 Tlatelolco massacre, outside of the Santiago Tlatelolco Church in Mexico City, Tuesday Oct. 2, 2018. Mexico commemorated the 50th anniversary of the massacre of students holding an anti-government protest, killed by men with guns and soldiers ten days before the 1968 Summer Olympics celebrations in Mexico City. (AP Photo/Marco Ugarte), APTOPIX