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Viking River Cruise - Amsterdam to Basel on the Rhine - October 2017
The Netherlands - October 2017
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Converting horizontal rotation to vertical rotation in the top of a windmill - 1738 technology
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Lower gear set in a windmill built in 1738 - Kinderdijk, The Netherlands
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Kinderdijk, The Netherlands - built in 1738 to lift water over levees to keep areas below sea level dry.
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