Alhambra: How the Last Muslim Dynasty of Europe Built a Palace of Water, Light, and 5,000 Honeycomb Cells

In 1238, Nasrid sultan Muhammad I climbed a barren hilltop in Granada and ordered a fortress. Over the next 254 years, his heirs turned it into the most ornate palace ever built — engineering a 6 km canal to bring water uphill, carving 5,000 hand-cut muqarnas cells into a single dome, and inscribing poetry into every column of the Court of Lions.

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