It IS wealthy, being the most developed region in Mexico. It has a GDP per capita of US$22,024 which puts the city on par to developed countries like South Korea (US$22,900), Portugal (US$22,500) or Taiwan (US$21,900).
There are wealthy people that live all over Mexico. The majority of very rich people live in Mexico City, Mexico.
Some of them are but the majority are not.
It has beautiful, wealthy neighborhoods as well as ugly, decaying slums.
Monterrey is one of such cities.
Quite the opposite: they thought it was one of the most beautiful cities they ever knew.
Most likely smog. Mexico City has a worse smog problem than Los Angeles ever had.
Every country that has ever attacked Mexico has had to attack it from the sea; the closest city to Mexico for such landing is usually the city and port of Veracruz. These countries include Spain, France and the United States.
Mexico City.
Mexico City
Every resort city has a 'special neighborhood' for the wealthy and super-rich. You should be more specific.
Mexico City, Mexico
Mexico City is in Mexico.