A folklorico dance group from Agua Prieta, Sonora, Mexico dance on the Mexican side, between a border marker (L) and the border wall (R) that separates the U.S. and Mexico, during the fourth "Fiesta Bi-Nacional" between Naco, Arizona and Naco, Sonora, Mexico near Naco, Arizona, April 14, 2007. Residents from both sides of the border celebrated the fiesta with food, entertainment, dancing and volleyball with the net set up on the border barrier. REUTERS/Jeff Topping (UNITED STATES)