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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Hydraulic works tagged “spillway”

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🇯🇴 Jordan · Hydraulic works

Jawa Dam South Basalt Spillway

Early Bronze Age IA · Proto-Jawa Ghassulian-Chalcolithic

120-m south spillway with ogee crest and riprap of main Jawa dam — earliest weir hydraulics.