Billboard aside the road to Hung Hom MTR station,
can you find this?
can you find this?
Even on the Earth Hour Poster, have you awared of this?
It's all about QR Code
How much do you know about QR code? May be this blog helps a bit! ENJOY~
Showing posts with label Earth Hour. Show all posts
Showing posts with label Earth Hour. Show all posts
July 4, 2010
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