As readers, we imagine a stable, continuous Steadicam motion upwards (and also visualize the sign carrier in the "shot" walking at a constant pace, perpendicular to the direction the "camera" is moving).

NPR: More Recommendations

To help visualize the rhythm of the municipal bond market, I sometimes ask people to imagine a New England forest, viewed from 10, 000 feet.

FORBES: Muni Bond Manager's Journal: Seasonal Affective Disorder