Geography & Geology

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The Periplus of the Erythraean Sea: An Ancient Merchant’s Guide to the Indian Ocean

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Explore the Periplus of the Erythraean Sea, the essential ancient maritime guidebook for merchants navigating the Red Sea and Indian Ocean during the New Testament period.

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A Garden with a Tomb (and a Gardener). Part 1: The Quarry Site

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Explore the archaeology of the Church of the Holy Sepulchre. Discover why an ancient stone quarry holds the key to reconciling the "head and the heart" this Easter.

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Beauty and Danger: The First Cataract of the Nile

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Explore the first cataract of the Nile is a place of wild beauty and mystery. It served as a natural border between ancient Egypt and Nubia near Aswan. Learn how these rocky rapids shaped trade, military strategy, and the cultural exchange between two great civilizations.

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The Two Spheres of Egypt: Black Land, Red Land.

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Discover how Ancient Egyptians divided their world into Kemet (the fertile Black Land) and Deshret (the desert Red Land), shaping their culture and afterlife.

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Explore the Arabian Spice Route from the Harrat Lookout, AlUla Oasis.

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Visit the Harrat Lookout for a panoramic view of the AlUla Oasis. Discover the history of the Arabian Spice Route and the stunning sandstone canyons of Saudi Arabia.