South of the Equator
First thing I check when in my room at the Cemara Hotel here in Jakarta is to check whether the water whirls clockwise or any clockwise when I pull the tap in the bathroom sink. This time I checked before leaving Ha Noi. Checked carefully in the kitchen sink and the whirl was definitely clockwise. I checked here in Jakarta, first time the water left to the pipes without any whirl (too much water or maybe too large tap). Try a second time, put some foam in the water to better detect small whirls. An undetectable whirls. I start to think that maybe next to the equator the water actually whirls, up to zero-whirls on the equator itself. Just stone heavy water disappearing into the pipes. Try a third time, just lift a little bit the tap. See small whirls disappearing into the thin tap. Something wrong, they are all clockwise! How is that? What is the physics behind this? Can anybody explain?
Photos and Words 
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