Water flows into a plastic bowl, basin:
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Water drips, drains in a cave
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Irrigation system
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Small waterfall indoors
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The stone falls into the water (under water)
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Swirl waves, wind
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Dirt bubbles
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Niagara Falls
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Water dripping into a metal barrel of water
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Outdoor fountain
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Water flows in the fountain
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Birds, sounds of the environment, Harbor
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Water flowing, Chinese bell ringing
★★★★★