An atlas of Earth’s mysterious places — megaliths, pyramids, lost and sunken cities — with the evidence shown plainly: what is verified, what is contested, and what is still unknown.

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World Heritage flint mines in Belgium · Mysteria

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World Heritage flint mines in Belgium

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Flint mines

🇧🇪 Belgium

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🇧🇪 Belgium · Ancient village

Spiennes Neolithic Flint Mines

Neolithic (4300–2300 BCE) · Michelsberg and Seine-Oise-Marne

Largest and earliest Neolithic flint mining complex in Europe, extending over 100 ha on the Campine chalk near Mons.