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Bedrock bears marks of ancient glacial activity

By Yang Jun and Liu Boqian in Guiyang | chinadaily.com.cn | Updated: 2025-10-28 16:11
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In Pingtang county, Guizhou province, melting glaciers once carved countless deep, circular pits as rushing water and sand scoured the bedrock. [Photo by Lu Qingjian/For chinadaily.com.cn]
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