The people walk near a brick building.
People walking by a brick building.
One man walks on a treadmill.
A man dressed in red with a hanckerchief is watching a flab burn
Girl playing for crowd
An old man is sitting in front of a door.
It is warm in the morning, but by noon is is cold.
A man, woman, and child laugh at a clown on the street.
the lag between exposure and premature mortality can be discounted