indians-vs-cowboys: Zocalo square in Mexico City, on October 2nd, 2010, indigenous girls play during a march marking the 42nd anniversary of the 1968 Tlatelolco square massacre. In 1968 dozens, maybe hundreds, of protesters were gunned down by the army in a brutal repression of the student movement. (Photo REUTERS/Eliana Aponte)

indians-vs-cowboys:

Zocalo square in Mexico City, on October 2nd, 2010, indigenous girls play during a march marking the 42nd anniversary of the 1968 Tlatelolco square massacre. In 1968 dozens, maybe hundreds, of protesters were gunned down by the army in a brutal repression of the student movement. (Photo REUTERS/Eliana Aponte)