Archaeologists Discover 7,000-Year-Old Knives Made From Tiger

The ancient shark tooth blades were most likely used in warfare, or for ritual purposes, according to the researchers.

7,000-Year-Old Shark-Tooth Knives Unearthed in Indonesia

Blade Fish 7000 - その他

Archaeologists discover 7,000-year-old tiger shark-tooth knives in Indonesia - Arkeonews

Archaeologists discover 7,000-year-old tiger shark-tooth knives in Indonesia - Arkeonews

Archaeologists Discover Ancient 'Cult' Circular Structure in Jungle

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65,000-year-old 'stone Swiss Army knives' show early humans had long-distance social networks

Blade Fish 7000 - その他

Fu Hao - Wikipedia

Prehistoric Swiss Army knife indicates early humans communicated - The University of Sydney

Archaeologists discover amazing 7,000-year-old shark-tooth knives in Indonesia