For the first time ever the stones will playh there. It was rumoured in the official website and the deleted. Today was advertized oifficialy in local TV and Radio
DF is like DC...For the nation's capital D stands for district...District Federal in this case.
Mexico as the USA are both federated nations formed by United States, so there are 30 in Mexico and FO in the USA...The official name of Mexico is Mexican United States.