![A-tall-glass-of-refreshing-beer-with-a-single-droplet-falling-into-it,-causing-a-graceful-ripple-across-the-surface](https://videocdn.cdnpk.net/videos/ccc8990b-c1ae-40c0-93b1-f07e1f4e9781/horizontal/thumbnails/small.jpg)
A tall glass of refreshing beer with a single droplet falling into it, causing a graceful ripple across the surface
720p 00:09
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