Rabbit Hole - 3-22-26 - Archaeoacoustics - sound / frequencies being used to alter the mind.
description: what other things like hal saflieni hypogeum exist in the world- While the Ħal Saflieni Hypogeum is considered unique as the only prehistoric underground temple of its kind, there are several other ancient subterranean structures and megalithic sites globally that share similar characteristics, such as being carved from solid rock, serving as sacred burial sites (hypogea), or featuring advanced acoustics. Similar Subterranean Sites (Hypogea) A "hypogeum" is a general term for an underground temple or burial chamber. Similar ancient sites include: Tierradentro , Colombia: A collection of massive underground burial chambers (hypogea) decorated with geometric patterns, carved into the rock by a pre-Hispanic culture. Tombs of Saqqara , Egypt: A vast, ancient burial ground featuring numerous underground chambers and galleries, including the famous Step Pyramid of Djoser and the Serapeum . Hypogea of Palmyra , Syria: Elaborate underground family tombs from the Roman period, often adorned with limestone funerary reliefs. Xagħra Stone Circle , Gozo: Another Maltese underground burial site. It is a natural cave system that was modified and used as a prehistoric cemetery, much like a less-architectural version of Ħal Saflieni. Sites with Acoustic or Architectural Similarities The Hypogeum is famous for its "Oracle Room," which resonates at specific frequencies (around 111 Hz). Göbekli Tepe , Turkey: While not underground, it is one of the world's oldest temple complexes (older than the Hypogeum) and features circular stone structures and intricate carvings that reflect a similar early human focus on ritual and monumental architecture. Ajanta and Ellora Caves , India: Massive rock-cut temple complexes. While much younger than the Hypogeum, they represent the pinnacle of subterranean "negative architecture," where entire temples were carved out of solid basalt cliffs. The Colosseum's Hypogeum , Italy: While built for a different purpose, the "hypogeum" beneath the Colosseum in …