Cancun and Mexico City.
Mexico city
Tijuana.
Cancun
It is called Chihuahua, and it is named after a state in Mexico, not a city.
Angel de la Independencia, Mexico City
Dogs and cats.
Wrestling
Mexico City
I guess you mean second most populated. Guadalajara (pop: 4,095,853) is such city.
Panda Express is a popular Chinese food franchise, opening its first restaurant in Mexico City in 2011. For now, it is limited to Mexico City, with 24 restaurants throughout the 26-million city.
Ciudad Juarez, close to El Paso, Texas.