Over 1200 years ago, the ancestors of the Hanis, using only hoes, turned the adverse geographical area in the Ailao Mountains in Yuanyang, Yunnan, into a large piece of farmland. By doing so, they created an ecological system along the terraces and gav...
Over 1200 years ago, the ancestors of the Hanis, using only hoes, turned the adverse geographical area in the Ailao Mountains in Yuanyang, Yunnan, into a large piece of farmland. By doing so, they created an ecological system along the terraces and gav...
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