Best of Cannes :
Adidas in Japan and Hong Kong built a running track down the side of a skyscraper - people raced down it by abseiling
classic
"A billboard for Sunsense Sunscreen in New Zealand. If the sun is out the image of the woman sun bathing is seen, if not it's blank. The text says "makes sense when the sun is out". Great stuff, it actually works by 12,148 pegs and their shadows when the sun is out. Genius."