Mr. ZACK GODSHALL (Co-writer and Director, "Low and Behold"): We kind of would film a scene off the cuff like that, or kind of shoot some scenery as we found it ourselves and mixing - wanting to make documentary about this and then how we respond to these locations.

NPR: 'Low and Behold': A Post-Disaster New Orleans

How long walkers remember a journey taking can depend on factors other than time, such as variety of scenery, says Barbara McCann, founder of Washington, D.

WSJ: Timing an Urban Stroll Isn't a Walk in the Park