Tijuana is the first Mexican city where the analog to digital conversion will take place.

Monterrey is the largest Mexican city within an easy drive of the border.

The city also boasts a bullring, as do most Mexican cities.

There were also specialized markets in the other central Mexican cities.

As of 2007, the system had been implemented at private schools in 23 Mexican cities, covering a total of 100,000 students.

By January, 2008, that number had grown to 152 and there are plans to open a branch in every Mexican city.

At least 46,000 people have been killed - one an hour - making some Mexican cities among the deadliest in the world.

And sidewalk vendors abound in every large Mexican city.

But federal officials notified the local police in several southern Mexican cities to watch for suspicious aircraft trying to land.

The current retail situation in Mexican cities varies widely.