| 1. | Like the caldarium frescoes, the room is also painted in the Second Style.
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| 2. | A trench found behind the caldarium dated back as early as the Augustan period.
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| 3. | What set this caldarium apart was the sheer scale of the room compared to its predecessors.
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| 4. | The Roman bathhouse consisted of three areas, the caldarium, the tepidarium, and the frigidarium.
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| 5. | The caldarium had vaulted ceilings, raised floors, and channels in the walls to conduct heat.
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| 6. | The frescoes in all rooms but the " caldarium " reflect the advice of contemporary Arab physicians.
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| 7. | Room no . 29 featured a hypocaust heating system, which probably had a caldarium, or hot plunge bath above it.
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| 8. | One time he was entertained by performers dressed as stars and constellations, suggesting a connection to the sky painting in the caldarium.
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| 9. | The caldarium, heated by a brazier underneath the hollow floor, contained cold-water basins which the bather could use for cooling.
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| 10. | The caldarium revealed a drain that conducted water from the hypocaust floor, that conducted heat for a bath or room in a Roman home.
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