The Olympic Games are capable of exposing the whole dynamic of human reaction, whether it be the glory of victory or the bitterness of defeat.
Even though the Sochi Olympic Games are less than a week old, the games have already provoked some animated responses.
Julia Mancuso's fastest run in the downhill portion of the Super Combined on Monday gave way to an enthusiastic celebration that was the complete opposite of figure skater Ashley Wagner's reaction to her results in the team figure-skating competition.
Check out the photo gallery above for some of the most memorable faces in Olympic history. Some brought joy -- such as Sarah Hughes' gold-medal winning figure-skating performance at 2002 Olympic Games in Salt Lake City. Others, such as gymnast McKayla Maroney's "not impressed" face at the 2012 London Olympics, ended up being more famous than the results that sparked the reactions.
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