Corn on the cob and bags of freshly cut corn kernels flank a pot of cooked nopalitos -- the nutritious pads of the prickly pear cactus. In the foreground, pre-cooked masa shells in plastic bags are ready to go back on the griddle and beome sopes with delicious fillings and toppings.
© Daniel Wheeler, 2009
Source article: Shopping in Mexico: the tianguis