The brass water basin as shown in the photo is known as the Dragon Wash.
If you rub the handles of the dragon wash for a while with wet hands, the basin will emit some distinct sound with water droplets jumping out from the water surface of the basin. This is a resonance phenomenon. The force transmitted through the handles drives the wall of the basin and the water to oscillate with greater amplitude at a specific frequency.
It would appear that, apart from passively waiting for / receiving live water, static water can also be awakened by actively applying suitable oscillation force.
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