Some of 337 Mexican waiters take part in a race with tray in hand on Reforma Avenue in Mexico CitySome of the 3634 Mexican chefs pose for a picture on Reforma Avenue in Mexico City, while attempting to break a Guinness record Mexican chefs --3634-- pose for a picture next to the Angel of Independence monument on Reforma Avenue in Mexico City, while attempting to break a Guinness recordSome of the 3634 Mexican chefs wait in queue while attempting to break a Guinness record on in Reforma Avenue in Mexico City.