You will notice that there are also smoke pipes/wands blowing out smoke in this photograph;

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They are from this video;




You can see the guy all the way to the right in this video actually take another smoke wand/pipe from the inside of the window and place it on the column below another pipe which is already there, blowing out smoke as well.

And check the top of the picture; That horizontal black device on the column is also blowing out white smoke.

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Scroll down to post #88:



Josey Wales --