Crowd goes wild for Justin Bieber
Thousands of "tween" girls jammed a vast square with their parents and screamed in unison throughout teen superstar Justin Bieber's free concert in Mexico.
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A fan
A fan holds images of pop star Justin Bieber in Mexico City's main historic plaza, the Zocalo.
Girls shuffled through security checkpoints with hats and umbrellas, staking claim to some of the roughly 80,000 spots allocated in the plaza itself. An additional 120,000 or more fans were expected to watch on giant TV screens erected on nearby streets.
Credit: AP Photo/Marco Ugarte
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