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Hampi (Group of Monuments)
56 stone pillars at Hampi ring like musical notes when struck.
see measurements
How do you tune a stone pillar without instruments to measure sound?
Photo: iMahesh, CC BY-SA 4.0, Wikimedia Commons

56 stone pillars at Hampi ring like musical notes when struck.
see measurements
How do you tune a stone pillar without instruments to measure sound?
Photo: iMahesh, CC BY-SA 4.0, Wikimedia Commons