| 1. | Located there is a hypogeum which was discovered in 1973.
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| 2. | The Hypogeum as one will not, is a unique worldwide site.
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| 3. | The Hypogeum was the Roman-Etruscan tomb of Arnth Veltimna Aules.
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| 4. | Substantial quantities of machinery also existed in the " hypogeum ".
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| 5. | In 2014, an international team of scientists visited the Hypogeum to study acoustics.
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| 6. | Pyramid of Cestius ) and a hypogeum-grotto, overlooking a small pond.
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| 7. | The small hypogeum is located nearby.
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| 8. | Upon the door of the hypogeum, which still remains, is the following inscription in marble:
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| 9. | It is at the Neolithic Hal Saflieni Hypogeum that the earliest known skeuomorphism first occurred in the world.
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| 10. | Other megalithic sites in the vicinity include the Hypogeum of & al-Saflieni and the Tarxien Temples.
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