Cool stickers of a girl dressed as La Calavera Catrina dancing flamenco near ofrenda private altar, a mustached mariachi man in sombrero playing guitar for her, colored skulls and plenty tequila. It’s Dia de los Muertos (Day of the Dead) - traditional annual mexican holiday celebrated from the october 31 till the november 2. Like Halloween, the day that originally intended to commemorate dead people in Mexico has become a great reason for a party.