Fwd: FW: OK, all you engineering minds...how is this stairwell constructed? ??

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Oct 21, 2013, 8:36:58 AM10/21/13

Imagine.........if Umno knows this trick we will forever be paying toll and going nowhere.

OK, all you engineering minds...how is this stairwell constructed???

http://www.bitoffun.com/video_vault/escherian-stairwell.htm

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