The lush green corridor of the current Arys river in Kazakhstan; the high left bank was used�for medieval floodwater farming� (IMAGE)

Proceedings of the National Academy of Sciences

The lush green corridor of the current Arys river in Kazakhstan; the high left bank was used�for medieval floodwater farming�

Caption

The lush green corridor of the current Arys river in Kazakhstan; the high left bank was used�for medieval floodwater farming�

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Image credit: Willem Toonen.

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