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The opening is placed facing the same direction as the wind typically travels (apparently some wind towers can change which side is opened too), this sucks air out the top, which in turn sucks air through the hole in the ground.
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[–] StuffThatSandwich 0 points 12 points 12 points (+12|-0) ago
The opening is placed facing the same direction as the wind typically travels (apparently some wind towers can change which side is opened too), this sucks air out the top, which in turn sucks air through the hole in the ground.
https://en.wikipedia.org/wiki/Windcatcher#Function
[–] Thissandwich 0 points 2 points 2 points (+2|-0) ago
Okay. I see the water canal now. That makes more sense.