Hypogeum of Hal-Saflieni
Wonder Type: Cultural
The Hypogeum is an enormous subterranean structure excavated c. 2500 B.C., using cyclopean rigging to lift huge blocks of coralline limestone. Perhaps originally a sanctuary, it became a necropolis in prehistoric times.
This article uses material from UNESCO World Heritage List article "Hypogeum of Hal-Saflieni", which is released under the Creative Commons Attribution-Share-Alike 3.0 IGO License.