Once the droplets have collected, they then collide and split before being pooled into a lake.  Photo 8 of 11 in The PyeongChang Winter Olympics in South Korea Debuts the Darkest Building on Earth

The PyeongChang Winter Olympics in South Korea Debuts the Darkest Building on Earth8 of 11

Once the droplets have collected, they then collide and split before being pooled into a lake.

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