translation: "If the boarder patrol doesn't get you, the chicken and burgers will. Go vegan."
...no, that's really what it says.
Because a hungry Mexican attempting to sneak across the border will verily be deterred by a delightful carnival showcasing America's wondrous bounty, overlooked by a jealous sun, and contrasted with Mexico's apparent paucity and relative dourness.
Or maybe the ambulance is meant to warn them of medical premiums.