Historic Temple, Reflecting Sound

Historic temples, is part of the record of the past, and the picture of past life.
Hypogeum temple is named, this place is the ancient building which has many mysteries.
This is a prehistoric temple building strange, because it was built underground.
Hypogeum has been used with a variety of activities, and various historical, and even been turned into a cemetery in the past.
This location is a natural cave, and cavern excavation with more than three-level architecture.
In this place there is also a different room, the room that can reflect sound.
Conditions of this site are a large part in history, and is the ancient buildings that still kept a mystery.