What is the Dujiangyan irrigation system, which is over 2,000 years old and is listed as a UNESCO World Heritage Site, and ...
The Yongding River ancient canal irrigation project in Mentougou district, Beijing, is believed to have been built during the Liao Dynasty (916-1125). It still irrigates about 329 acres and provides ...
"The terraces are not just fields. They are a testament to the harmonious coexistence of humans and nature," says Hani scholar Ma Zhiqiang, who grew up near the terraces, which have given him a ...
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