The flag to the left of the mexican flag, the one with the red triangle and the picture of the comunist assassin of Che Guevara is the Cuban flag, except the Cuban flags does not include the picture of the assassin communist of Che Guevara. This is a modified flag by a bunch of communist activists So, those people there showing that modified communist flag are plan and simple communists that are helping, assisting and motivating this mess to challenge our democratic system and freedom. Now we know who is actually supporting those mexicans activists.