But there is still plenty of traditional Mexico to see, not far from the hotel zone.

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It is a sort of hotel Green Zone: No matter how exotic or overwhelming the city outside, once the doorman ushers you inside, you know what to expect.

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By the early hours of the morning, the hotel had become a conflict zone in its own right as the riot police had managed to push all the protesters up a side street to its right.

BBC: Turkey clashes: Chaos and camaraderie in Istanbul

Al-Maliki cast his ballot in Baghdad's Al-Rasheed Hotel, in the highly protected and fortified International Zone.

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