In historic Mughal water gardens, which limitation increased when seasonal silt blocked subterranean aqueducts supplying water for fountains and "pietra dura"?

💡 Explanation

Fountain height reduces because reduced head pressure decreases flow rate through nozzles; this is a consequence of Bernoulli's Principle. Therefore, fountain spray diminishes, rather than temperature fluctuation, structural damage, or inlay discoloration.

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