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You must have entered a low-end restaurant. Mexico is not dirty, in fact, the state of Yucatan has the cleanest city and one of the safest in America.

Due to the high numbers of tourists, some places, like the ones you visited, are worn from the heavy use and poor income. Perhaps you noticed that the restaurant was not too pricey? There's your answer. You are paying for that.

Unfortunately, Mexico still has classes. You obviously went to a low class restaurant. Next time go to a Sanborn's which is a huge chain and many in every City. Or, stick to a Denny's or VIP, which are family restaurants and are clean just like in the USA.

If Mexico is dirty it's because of all the Americans going there on holidays.

NO this is wrong. Mexico is a very beautiful place. Maybe it's your worst visit, but it doesn't mean that it's dirty.

It's the sewer of North America and too many Mexicans

Why is the northeast of the U.S full of bedbugs? like every house in this neighborhood has soo many damn bedbugs!!

Because people like you all dirty go.

why does usa restaurants have rats and are dirty as hell

Mexico's is dirty, because people aren't educated.