Mexico City celebrates Aztec history

This is the capital's biggest pre-Hispanic celebration-on the day the city was founded by the Aztecs nearly 700 years ago.

"Today, we recognize the greatness of our ancestors, because even now the great nations of the world haven’t built a city on a lake, like our culture did," Medicine man Oscar Lobo Blanco said.

Legend has it that the wandering Aztecs decided to settle on the lake when they saw a long-awaited omen-an eagle perched on a cactus devouring a snake.

Now Aztec dancers are again converging on the city plaza. Beneath their feet . . .