The tall columns in the Hypostyle hall at the Temple of Amun at Karnak, Luxor, Nile Valley, Egypt. The Karnak Temple Complex is the largest religious building ever made, covering about 200 acres. It comprises a vast mix of decayed temples, chapels, pylons, and other buildings built over 2,000 years and dedicated to the Theban triad of Amun, Mut, and Khonsu. The Hypostyle hall, at 54,000 square feet (16,459 meters) and featuring 134 columns, is still the largest room of any religious building in the world.
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