How do you build a stable bridge to cross the auburn ravine?
ReSearch different types of Bridges
http://www.pbs.org/wgbh/buildingbig/bridge/basics.html
Next, go to the following website and see if you can figure out which type of bridge is best for the body of water or large land mass the bridge needs to cover.
http://www.pbs.org/wgbh/buildingbig/bridge/basics.html
Bridge Building Games
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