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the first bridges seemed to be made by nature, such a logs fallen across streams, the first bridges made by humans were made of wooden logs and the eventually stones
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Brides were starting to form a structure
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Humans started using all types of metals
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Humans started to build more complex bridges and it grow easier and faster to build them
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brides became longer and even faster to build and they were all around the world
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.