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. 2014 Nov 4;9(11):e110042. doi: 10.1371/journal.pone.0110042

Figure 1. How photos were taken.

Figure 1

This diagram shows how the photos were taken. The cross indicates an intersection. The individual must stand at their start point and take photos of each direction from their start points. (front, 2 sides, back). Then they go across from where they were standing to take a picture of their start point. All the photos must show clear view of the street and roads in the neighbourhood without any cars, buildings or pedestrians blocking the view.