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Optical Illusion Paintings
sandipan S
sandipan S May 06, 2013
Optical Illusion Paintings

I've seen these sensors...

Often 0
Occasionally 2
Rarely 1
Never 1
What is it? 4
2 Comments     8 Tags
Similar Photos: traffic red light sensor on the train rail Video analytics has a great potential for safety, maintenance, street cleaning, flood prevention, etc. car parking convenience

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