For our project, we came up with a 10foot bridge made out of logs(wood), mud(dirt/water), and stone(rocks). At first we were going to weave branches into the wood so it would hold up. Unfortunately the branches were not bending the way we wanted them to bend, so we decided to start pile rocks on top and cement them in with mud, which we made out of dirt and a little of water to make it a sticky form so the rocks would stay in place. We were really happy with the end product and relieved it didn't rain to mess up the bridge. It held all three of us, so it was a great excess!!
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