Hundreds of LED nodes were used to power Electric Waterfall, a lighting installation that activated the drab facade of a local eyesore.

I like it!
A huge improvement over the existing, but a bit static.
Watch them install it, very fast.
https://vimeo.com/192155690
Banpo Bridge Moonlight Rainbow Water Fountain Show in Seoul, South Korea
https://www.youtube.com/watch?v=I77vwniNm0g
I’d like to ride this one on my bike.
https://www.flickr.com/photos/tabor-roeder/6091262569