A man hits the tennis ball with his racket.
A man hits a tennis ball.
A man hits a tennis ball with a baseball bat.
Two women walk down the street.
Miniskirts vary in length.
A special group-tour permit from Tibet may be used in lieu of a visa from China.
We need to study the barriers that exist for treating drug overdoses.
A shirtless teen in shorts does a skateboard trick in the park.
Dawkins says that scientists haven't found life elsewhere in the universe.