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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Pyramids tagged “kumma”

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🇸🇩 Sudan · Pyramid

Kumma Fortress — Semna East

Middle Kingdom, 12th Dynasty · Ancient Egyptian

Rectangular eastern counterpart to Semna West across the 500 m Semna gorge, built to close the eastern channel and form a fortified river gateway with coupled gate signals.