Olympic fans draped in flags and dressed in their country's colors

Photo: Feng Li/Getty Images

Olympic revelers

Fans draped in flags and dressed in their country's colors pose at the entrance of Olympic Park on July 27 before the start of the opening ceremonies for London's 2012 Olympic Games.


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Track cyclers practice at the velodrome

Photo: Lars Baron/Getty Images

Cycling toward the gold

The Men's Team Pursuit track cycling squad from Belgium form a paceline during a practice session on July 27 at the Velodrome in London's Olympic Park.


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Michelle Obama with some members of Team USA

Photo: Adam Jacobs/Getty Images

Michelle Obama greets Team USA

First lady Michelle Obama poses for a photo with the members of Team USA during a meet and greet on July 27 at the University of East London in England.


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Catie Leary ( @catieleary ) writes about science, travel, animals and the arts.

Photos: London raises the curtain on 2012 Olympics
Fans and athletes prepare for the official opening of London 2012, when all eyes turn to the British capital.