From Nadia Comaneci's first perfect ten to the U.S. hockey team's victory over the Soviet Union, the Olympics have provided some of history's most poignant moments.
Time yourself and challenge friends to solve jigsaw puzzles from the people category, featuring recent submissions to the National Geographic International Photography Contest.
Like distance from your subject, the angle you shoot from has also probably become a habit. Get low, get high. Get overhead. Stand on a chair or a bed. You'll be amazed how just changing your angle can dramatically alter your photos.