Fustel describes the practices surrounding the sacred hearth fire: its purity and its importance as a locus of worship, meals, thanksgiving, and pleas for help.
He notes similar practices in India and Central Asia, and connects worship of the sacred fire with worship of the subterranean dead.
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Based on: https://youtu.be/2K0GY5mlV9k
Music: Into Oblivion, by Darren Curtis
Thumbnail Image: Parthenon. Image by nonbirinonko from Pixabay, https://pixabay.com/photos/greece-parthenon-temple-ruins-1594689/