Optical Illusion at Cardiff Bay

Went for a walk to the Barrage last night and found the best place to stand to see it - you can only see it standing right there otherwise it looks like a lot of random yellow lines. (and it's still difficult to fit in a photo!)




More info:
http://www.amazing-illusion.com/2007/05/art-illusion-at-cardiff-bay-barrage-uk.html