Hanyoung Lee’s virtual wall traffic light concept.
Every change is good! 🙂

new traffic light
  • Facebook
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  • LinkedIn
  • VKontakte

new traffic light
  • Facebook
  • Twitter
  • Google+
  • Pinterest
  • LinkedIn
  • VKontakte

new traffic light
  • Facebook
  • Twitter
  • Google+
  • Pinterest
  • LinkedIn
  • VKontakte