Swimmers synchronize , Olympic qualification event , London . 游泳運動員同步 ， 奧運資格賽 ， 倫敦 。

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PhotoBlog - Swimmers synchronize at Olympic qualification event in London http://photoblog.msnbc.msn.com/_news/2012/04/19/11292147-swimmers-synchronize-at-olympic-qualification-event-in-london?lite