Figure 3
Diagram of number of bridges (left) per square kilometre and (right) per 1000 people living in interviewed LAs. ©2015 Google – Map data. ©2015 GeoBasis-DE/BKG (©2009), Google Refer to the image caption for details.

Diagram of number of bridges (left) per square kilometre and (right) per 1000 people living in interviewed LAs. ©2015 Google – Map data. ©2015 GeoBasis-DE/BKG (©2009), Google

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