BEIJING, Nov. 25, 2025 /PRNewswire/ -- In a local community of Xuecheng District in Zaozhuang City, Guo Hongyan, a master of local clay whistle making, rekindled recently people's interest in handmade ...
Archaeologists have discovered numerous ceramic or clay whistles at Aztec sites, dubbed “death whistles” because of their distinctive skull shapes. A new paper published in the journal Communications ...
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