A celebration of international bridge building

Thomas Moore often writes about the utility and beauty of bridges. The Detroit News celebrates the 80th anniversary of the international Ambassador Bridge between Windsor, Ontario and Detroit, Michigan through a pictorial slide show about its construction and expansion. The Ambassador Bridge is the busiest international crossing in the United States. At the time of its official opening, Nov. 11, 1929, the Ambassador Bridge was the world's longest suspension bridge:
http://multimedia.detnews.com/pix/photogalleries/newsgallery/ambassador-bridge_04302009/index.html