Some bridges to think about ...
The Copenhagen Harbor Arches:
The Sustrans Thames project, proposed for London:
http://whttp://www.bbc.co.uk/london/content/image_galleries/spans_bridges_exhibition_gallery.shtml?4ww.trendir.com/ultra-modern/architecture/?start=5 [accessed 7 June 2010]
Futuristic solar powered bridge proposal with vertical farm:
http://inhabitat.com/2009/07/15/vertical-farm-for-futuristic-london-bridge/[accessed 7 June 2010]
A bridge in Valencia, Spain:
http://image55.webshots.com/155/6/54/98/2369654980012276533gRBmBZ_ph.jpg [accessed 7 June 2010]