Bridge Inspiration

1. Natural landform creating a bridge2.Octavio Frias de Oliveira Bridge, Sao Paulo, Brazil

3. Catenary Curve - a curve that is the graph of the hyperbolic cosine function which is a hanging chain, supported by its end and acted on its own weight.

4. The formula for a catenary curve

References:

1.http://www.desertusa.com/mag06/jun/images/NaturalBridges0001.jpg

2. http://www.millionface.com/l/unique-and-unparallel-bridges/

3. (text) http://en.wikipedia.org/wiki/Catenary
(image) http://www.dearwinona.com/riverfront.jpg

4. http://www.vernier.com/caliper/fall05/images/stlouisarch.jpg